637667472

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 1852381440

約数和(自身を除く): 1214713968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 37, 39, 48, 52, 71, 74, 78, 104, 111, 142, 148, 156, 208, 213, 222, 284, 296, 312, 389, 426, 444, 481, 568, 592, 624, 778, 852, 888, 923, 962, 1136, 1167, 1443, 1556, 1704, 1776, 1846, 1924, 2334, 2627, 2769, 2886, 3112, 3408, 3692, 3848, 4668, 5057, 5254, 5538, 5772, 6224, 7384, 7696, 7881, 9336, 10114, 10508, 11076, 11544, 14393, 14768, 15171, 15762, 18672, 20228, 21016, 22152, 23088, 27619, 28786, 30342, 31524, 34151, 40456, 42032, 43179, 44304, 55238, 57572, 60684, 63048, 68302, 80912, 82857, 86358, 102453, 110476, 115144, 121368, 126096, 136604, 165714, 172716, 187109, 204906, 220952, 230288, 242736, 273208, 331428, 345432, 359047, 374218, 409812, 441904, 546416, 561327, 662856, 690864, 718094, 748436, 819624, 1021903, 1077141, 1122654, 1325712, 1436188, 1496872, 1639248, 2043806, 2154282, 2245308, 2872376, 2993744, 3065709, 4087612, 4308564, 4490616, 5744752, 6131418, 8175224, 8617128, 8981232, 12262836, 13284739, 16350448, 17234256, 24525672, 26569478, 39854217, 49051344, 53138956, 79708434, 106277912, 159416868, 212555824, 318833736, 637667472]

約数ペア:

[(1, 637667472), (2, 318833736), (3, 212555824), (4, 159416868), (6, 106277912), (8, 79708434), (12, 53138956), (13, 49051344), (16, 39854217), (24, 26569478), (26, 24525672), (37, 17234256), (39, 16350448), (48, 13284739), (52, 12262836), (71, 8981232), (74, 8617128), (78, 8175224), (104, 6131418), (111, 5744752), (142, 4490616), (148, 4308564), (156, 4087612), (208, 3065709), (213, 2993744), (222, 2872376), (284, 2245308), (296, 2154282), (312, 2043806), (389, 1639248), (426, 1496872), (444, 1436188), (481, 1325712), (568, 1122654), (592, 1077141), (624, 1021903), (778, 819624), (852, 748436), (888, 718094), (923, 690864), (962, 662856), (1136, 561327), (1167, 546416), (1443, 441904), (1556, 409812), (1704, 374218), (1776, 359047), (1846, 345432), (1924, 331428), (2334, 273208), (2627, 242736), (2769, 230288), (2886, 220952), (3112, 204906), (3408, 187109), (3692, 172716), (3848, 165714), (4668, 136604), (5057, 126096), (5254, 121368), (5538, 115144), (5772, 110476), (6224, 102453), (7384, 86358), (7696, 82857), (7881, 80912), (9336, 68302), (10114, 63048), (10508, 60684), (11076, 57572), (11544, 55238), (14393, 44304), (14768, 43179), (15171, 42032), (15762, 40456), (18672, 34151), (20228, 31524), (21016, 30342), (22152, 28786), (23088, 27619)]