398993868

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:301

約数の個数: 216

約数和(自身を含む): 1282724352

約数和(自身を除く): 883730484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 127, 137, 147, 156, 182, 196, 234, 252, 254, 273, 274, 294, 364, 381, 411, 441, 468, 508, 546, 548, 588, 637, 762, 819, 822, 882, 889, 959, 1092, 1143, 1233, 1274, 1524, 1638, 1644, 1651, 1764, 1778, 1781, 1911, 1918, 2286, 2466, 2548, 2667, 2877, 3276, 3302, 3556, 3562, 3822, 3836, 4572, 4932, 4953, 5334, 5343, 5733, 5754, 6223, 6604, 6713, 7124, 7644, 8001, 8631, 9906, 10668, 10686, 11466, 11508, 11557, 12446, 12467, 13426, 14859, 16002, 16029, 17262, 17399, 18669, 19812, 20139, 21372, 22932, 23114, 24892, 24934, 26852, 29718, 32004, 32058, 34524, 34671, 34798, 37338, 37401, 40278, 46228, 49868, 52197, 56007, 59436, 60417, 64116, 69342, 69596, 74676, 74802, 80556, 80899, 87269, 104013, 104394, 112014, 112203, 120834, 121793, 138684, 149604, 156591, 161798, 174538, 208026, 208788, 224028, 224406, 226187, 241668, 242697, 243586, 261807, 313182, 323596, 349076, 365379, 416052, 448812, 452374, 485394, 487172, 523614, 626364, 678561, 728091, 730758, 785421, 852551, 904748, 970788, 1047228, 1096137, 1357122, 1456182, 1461516, 1570842, 1583309, 1705102, 2035683, 2192274, 2557653, 2714244, 2912364, 3141684, 3166618, 3410204, 4071366, 4384548, 4749927, 5115306, 6333236, 7672959, 8142732, 9499854, 10230612, 11083163, 14249781, 15345918, 18999708, 22166326, 28499562, 30691836, 33249489, 44332652, 56999124, 66498978, 99748467, 132997956, 199496934, 398993868]

約数ペア:

[(1, 398993868), (2, 199496934), (3, 132997956), (4, 99748467), (6, 66498978), (7, 56999124), (9, 44332652), (12, 33249489), (13, 30691836), (14, 28499562), (18, 22166326), (21, 18999708), (26, 15345918), (28, 14249781), (36, 11083163), (39, 10230612), (42, 9499854), (49, 8142732), (52, 7672959), (63, 6333236), (78, 5115306), (84, 4749927), (91, 4384548), (98, 4071366), (117, 3410204), (126, 3166618), (127, 3141684), (137, 2912364), (147, 2714244), (156, 2557653), (182, 2192274), (196, 2035683), (234, 1705102), (252, 1583309), (254, 1570842), (273, 1461516), (274, 1456182), (294, 1357122), (364, 1096137), (381, 1047228), (411, 970788), (441, 904748), (468, 852551), (508, 785421), (546, 730758), (548, 728091), (588, 678561), (637, 626364), (762, 523614), (819, 487172), (822, 485394), (882, 452374), (889, 448812), (959, 416052), (1092, 365379), (1143, 349076), (1233, 323596), (1274, 313182), (1524, 261807), (1638, 243586), (1644, 242697), (1651, 241668), (1764, 226187), (1778, 224406), (1781, 224028), (1911, 208788), (1918, 208026), (2286, 174538), (2466, 161798), (2548, 156591), (2667, 149604), (2877, 138684), (3276, 121793), (3302, 120834), (3556, 112203), (3562, 112014), (3822, 104394), (3836, 104013), (4572, 87269), (4932, 80899), (4953, 80556), (5334, 74802), (5343, 74676), (5733, 69596), (5754, 69342), (6223, 64116), (6604, 60417), (6713, 59436), (7124, 56007), (7644, 52197), (8001, 49868), (8631, 46228), (9906, 40278), (10668, 37401), (10686, 37338), (11466, 34798), (11508, 34671), (11557, 34524), (12446, 32058), (12467, 32004), (13426, 29718), (14859, 26852), (16002, 24934), (16029, 24892), (17262, 23114), (17399, 22932), (18669, 21372), (19812, 20139)]