644893392

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2081

約数の個数: 160

約数和(自身を含む): 1999872000

約数和(自身を除く): 1354978608

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 33, 39, 44, 47, 48, 52, 66, 78, 88, 94, 104, 132, 141, 143, 156, 176, 188, 208, 264, 282, 286, 312, 376, 429, 517, 528, 564, 572, 611, 624, 752, 858, 1034, 1128, 1144, 1222, 1551, 1716, 1833, 1999, 2068, 2256, 2288, 2444, 3102, 3432, 3666, 3998, 4136, 4888, 5997, 6204, 6721, 6864, 7332, 7996, 8272, 9776, 11994, 12408, 13442, 14664, 15992, 20163, 21989, 23988, 24816, 25987, 26884, 29328, 31984, 40326, 43978, 47976, 51974, 53768, 65967, 77961, 80652, 87956, 93953, 95952, 103948, 107536, 131934, 155922, 161304, 175912, 187906, 207896, 263868, 281859, 285857, 311844, 322608, 351824, 375812, 415792, 527736, 563718, 571714, 623688, 751624, 857571, 1033483, 1055472, 1127436, 1143428, 1221389, 1247376, 1503248, 1715142, 2066966, 2254872, 2286856, 2442778, 3100449, 3430284, 3664167, 4133932, 4509744, 4573712, 4885556, 6200898, 6860568, 7328334, 8267864, 9771112, 12401796, 13435279, 13721136, 14656668, 16535728, 19542224, 24803592, 26870558, 29313336, 40305837, 49607184, 53741116, 58626672, 80611674, 107482232, 161223348, 214964464, 322446696, 644893392]

約数ペア:

[(1, 644893392), (2, 322446696), (3, 214964464), (4, 161223348), (6, 107482232), (8, 80611674), (11, 58626672), (12, 53741116), (13, 49607184), (16, 40305837), (22, 29313336), (24, 26870558), (26, 24803592), (33, 19542224), (39, 16535728), (44, 14656668), (47, 13721136), (48, 13435279), (52, 12401796), (66, 9771112), (78, 8267864), (88, 7328334), (94, 6860568), (104, 6200898), (132, 4885556), (141, 4573712), (143, 4509744), (156, 4133932), (176, 3664167), (188, 3430284), (208, 3100449), (264, 2442778), (282, 2286856), (286, 2254872), (312, 2066966), (376, 1715142), (429, 1503248), (517, 1247376), (528, 1221389), (564, 1143428), (572, 1127436), (611, 1055472), (624, 1033483), (752, 857571), (858, 751624), (1034, 623688), (1128, 571714), (1144, 563718), (1222, 527736), (1551, 415792), (1716, 375812), (1833, 351824), (1999, 322608), (2068, 311844), (2256, 285857), (2288, 281859), (2444, 263868), (3102, 207896), (3432, 187906), (3666, 175912), (3998, 161304), (4136, 155922), (4888, 131934), (5997, 107536), (6204, 103948), (6721, 95952), (6864, 93953), (7332, 87956), (7996, 80652), (8272, 77961), (9776, 65967), (11994, 53768), (12408, 51974), (13442, 47976), (14664, 43978), (15992, 40326), (20163, 31984), (21989, 29328), (23988, 26884), (24816, 25987)]