641994496

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 1615904640

約数和(自身を除く): 973910144

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 32, 38, 44, 52, 64, 71, 76, 88, 104, 128, 142, 143, 152, 169, 176, 208, 209, 247, 256, 284, 286, 304, 338, 352, 416, 418, 494, 568, 572, 608, 676, 704, 781, 832, 836, 923, 988, 1136, 1144, 1216, 1349, 1352, 1408, 1562, 1664, 1672, 1846, 1859, 1976, 2272, 2288, 2432, 2698, 2704, 2717, 2816, 3124, 3211, 3328, 3344, 3692, 3718, 3952, 4544, 4576, 4864, 5396, 5408, 5434, 6248, 6422, 6688, 7384, 7436, 7904, 9088, 9152, 10153, 10792, 10816, 10868, 11999, 12496, 12844, 13376, 14768, 14839, 14872, 15808, 17537, 18176, 18304, 20306, 21584, 21632, 21736, 23998, 24992, 25688, 26752, 29536, 29678, 29744, 31616, 35074, 35321, 36608, 40612, 43168, 43264, 43472, 47996, 49984, 51376, 53504, 59072, 59356, 59488, 63232, 70148, 70642, 81224, 86336, 86944, 95992, 99968, 102752, 118144, 118712, 118976, 131989, 140296, 141284, 162448, 172672, 173888, 191984, 192907, 199936, 205504, 227981, 236288, 237424, 237952, 263978, 280592, 282568, 324896, 345344, 347776, 383968, 385814, 411008, 455962, 474848, 475904, 527956, 561184, 565136, 649792, 695552, 767936, 771628, 822016, 911924, 949696, 1055912, 1122368, 1130272, 1299584, 1535872, 1543256, 1823848, 1899392, 2111824, 2244736, 2260544, 2507791, 2599168, 3071744, 3086512, 3647696, 3798784, 4223648, 4489472, 4521088, 5015582, 6173024, 7295392, 8447296, 9042176, 10031164, 12346048, 14590784, 16894592, 20062328, 24692096, 29181568, 33789184, 40124656, 49384192, 58363136, 80249312, 160498624, 320997248, 641994496]

約数ペア:

[(1, 641994496), (2, 320997248), (4, 160498624), (8, 80249312), (11, 58363136), (13, 49384192), (16, 40124656), (19, 33789184), (22, 29181568), (26, 24692096), (32, 20062328), (38, 16894592), (44, 14590784), (52, 12346048), (64, 10031164), (71, 9042176), (76, 8447296), (88, 7295392), (104, 6173024), (128, 5015582), (142, 4521088), (143, 4489472), (152, 4223648), (169, 3798784), (176, 3647696), (208, 3086512), (209, 3071744), (247, 2599168), (256, 2507791), (284, 2260544), (286, 2244736), (304, 2111824), (338, 1899392), (352, 1823848), (416, 1543256), (418, 1535872), (494, 1299584), (568, 1130272), (572, 1122368), (608, 1055912), (676, 949696), (704, 911924), (781, 822016), (832, 771628), (836, 767936), (923, 695552), (988, 649792), (1136, 565136), (1144, 561184), (1216, 527956), (1349, 475904), (1352, 474848), (1408, 455962), (1562, 411008), (1664, 385814), (1672, 383968), (1846, 347776), (1859, 345344), (1976, 324896), (2272, 282568), (2288, 280592), (2432, 263978), (2698, 237952), (2704, 237424), (2717, 236288), (2816, 227981), (3124, 205504), (3211, 199936), (3328, 192907), (3344, 191984), (3692, 173888), (3718, 172672), (3952, 162448), (4544, 141284), (4576, 140296), (4864, 131989), (5396, 118976), (5408, 118712), (5434, 118144), (6248, 102752), (6422, 99968), (6688, 95992), (7384, 86944), (7436, 86336), (7904, 81224), (9088, 70642), (9152, 70148), (10153, 63232), (10792, 59488), (10816, 59356), (10868, 59072), (11999, 53504), (12496, 51376), (12844, 49984), (13376, 47996), (14768, 43472), (14839, 43264), (14872, 43168), (15808, 40612), (17537, 36608), (18176, 35321), (18304, 35074), (20306, 31616), (21584, 29744), (21632, 29678), (21736, 29536), (23998, 26752), (24992, 25688)]