641537988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 288

約数和(自身を含む): 2027047680

約数和(自身を除く): 1385509692

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 23, 26, 28, 39, 41, 42, 46, 49, 52, 69, 78, 82, 84, 89, 91, 92, 98, 123, 138, 147, 156, 161, 164, 178, 182, 196, 246, 267, 273, 276, 287, 294, 299, 322, 356, 364, 483, 492, 533, 534, 546, 574, 588, 598, 623, 637, 644, 861, 897, 943, 966, 1066, 1068, 1092, 1127, 1148, 1157, 1196, 1246, 1274, 1599, 1722, 1794, 1869, 1886, 1911, 1932, 2009, 2047, 2093, 2132, 2254, 2314, 2492, 2548, 2829, 3198, 3381, 3444, 3471, 3588, 3649, 3731, 3738, 3772, 3822, 4018, 4094, 4186, 4361, 4508, 4628, 5658, 6027, 6141, 6279, 6396, 6601, 6762, 6942, 7298, 7462, 7476, 7644, 8036, 8099, 8188, 8372, 8722, 10947, 11193, 11316, 12054, 12259, 12282, 12558, 13083, 13202, 13524, 13884, 14329, 14596, 14651, 14924, 16198, 17444, 19803, 21894, 22386, 24108, 24297, 24518, 24564, 25116, 25543, 26117, 26166, 26404, 26611, 28658, 29302, 32396, 36777, 39606, 42987, 43788, 43953, 44772, 46207, 47437, 48594, 49036, 51086, 52234, 52332, 53222, 56693, 57316, 58604, 73554, 76629, 78351, 79212, 79833, 83927, 85813, 85974, 87906, 92414, 94874, 97188, 100303, 102172, 104468, 106444, 113386, 138621, 142311, 147108, 153258, 156702, 159666, 167854, 170079, 171626, 171948, 175812, 178801, 184828, 186277, 189748, 200606, 226772, 251781, 257439, 277242, 284622, 300909, 306516, 313404, 319332, 332059, 335708, 340158, 343252, 357602, 372554, 401212, 503562, 514878, 536403, 554484, 558831, 569244, 587489, 600691, 601818, 664118, 680316, 715204, 745108, 996177, 1007124, 1029756, 1072806, 1091051, 1117662, 1174978, 1201382, 1203636, 1303939, 1328236, 1762467, 1802073, 1992354, 2145612, 2182102, 2235324, 2324413, 2349956, 2402764, 2607878, 3273153, 3524934, 3604146, 3911817, 3984708, 4112423, 4364204, 4648826, 5215756, 6546306, 6973239, 7049868, 7208292, 7637357, 7823634, 8224846, 9297652, 12337269, 13092612, 13946478, 15274714, 15647268, 16449692, 22912071, 24674538, 27892956, 30549428, 45824142, 49349076, 53461499, 91648284, 106922998, 160384497, 213845996, 320768994, 641537988]

約数ペア:

[(1, 641537988), (2, 320768994), (3, 213845996), (4, 160384497), (6, 106922998), (7, 91648284), (12, 53461499), (13, 49349076), (14, 45824142), (21, 30549428), (23, 27892956), (26, 24674538), (28, 22912071), (39, 16449692), (41, 15647268), (42, 15274714), (46, 13946478), (49, 13092612), (52, 12337269), (69, 9297652), (78, 8224846), (82, 7823634), (84, 7637357), (89, 7208292), (91, 7049868), (92, 6973239), (98, 6546306), (123, 5215756), (138, 4648826), (147, 4364204), (156, 4112423), (161, 3984708), (164, 3911817), (178, 3604146), (182, 3524934), (196, 3273153), (246, 2607878), (267, 2402764), (273, 2349956), (276, 2324413), (287, 2235324), (294, 2182102), (299, 2145612), (322, 1992354), (356, 1802073), (364, 1762467), (483, 1328236), (492, 1303939), (533, 1203636), (534, 1201382), (546, 1174978), (574, 1117662), (588, 1091051), (598, 1072806), (623, 1029756), (637, 1007124), (644, 996177), (861, 745108), (897, 715204), (943, 680316), (966, 664118), (1066, 601818), (1068, 600691), (1092, 587489), (1127, 569244), (1148, 558831), (1157, 554484), (1196, 536403), (1246, 514878), (1274, 503562), (1599, 401212), (1722, 372554), (1794, 357602), (1869, 343252), (1886, 340158), (1911, 335708), (1932, 332059), (2009, 319332), (2047, 313404), (2093, 306516), (2132, 300909), (2254, 284622), (2314, 277242), (2492, 257439), (2548, 251781), (2829, 226772), (3198, 200606), (3381, 189748), (3444, 186277), (3471, 184828), (3588, 178801), (3649, 175812), (3731, 171948), (3738, 171626), (3772, 170079), (3822, 167854), (4018, 159666), (4094, 156702), (4186, 153258), (4361, 147108), (4508, 142311), (4628, 138621), (5658, 113386), (6027, 106444), (6141, 104468), (6279, 102172), (6396, 100303), (6601, 97188), (6762, 94874), (6942, 92414), (7298, 87906), (7462, 85974), (7476, 85813), (7644, 83927), (8036, 79833), (8099, 79212), (8188, 78351), (8372, 76629), (8722, 73554), (10947, 58604), (11193, 57316), (11316, 56693), (12054, 53222), (12259, 52332), (12282, 52234), (12558, 51086), (13083, 49036), (13202, 48594), (13524, 47437), (13884, 46207), (14329, 44772), (14596, 43953), (14651, 43788), (14924, 42987), (16198, 39606), (17444, 36777), (19803, 32396), (21894, 29302), (22386, 28658), (24108, 26611), (24297, 26404), (24518, 26166), (24564, 26117), (25116, 25543)]