639807984

素因数分解:

$2^4\times 3^4\times {\mathrm{103}}^1\times {\mathrm{4793}}^1$

素因数の和:4916

約数の個数: 100

約数和(自身を含む): 1870158576

約数和(自身を除く): 1230350592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 103, 108, 144, 162, 206, 216, 309, 324, 412, 432, 618, 648, 824, 927, 1236, 1296, 1648, 1854, 2472, 2781, 3708, 4793, 4944, 5562, 7416, 8343, 9586, 11124, 14379, 14832, 16686, 19172, 22248, 28758, 33372, 38344, 43137, 44496, 57516, 66744, 76688, 86274, 115032, 129411, 133488, 172548, 230064, 258822, 345096, 388233, 493679, 517644, 690192, 776466, 987358, 1035288, 1481037, 1552932, 1974716, 2070576, 2962074, 3105864, 3949432, 4443111, 5924148, 6211728, 7898864, 8886222, 11848296, 13329333, 17772444, 23696592, 26658666, 35544888, 39987999, 53317332, 71089776, 79975998, 106634664, 159951996, 213269328, 319903992, 639807984]

約数ペア:

[(1, 639807984), (2, 319903992), (3, 213269328), (4, 159951996), (6, 106634664), (8, 79975998), (9, 71089776), (12, 53317332), (16, 39987999), (18, 35544888), (24, 26658666), (27, 23696592), (36, 17772444), (48, 13329333), (54, 11848296), (72, 8886222), (81, 7898864), (103, 6211728), (108, 5924148), (144, 4443111), (162, 3949432), (206, 3105864), (216, 2962074), (309, 2070576), (324, 1974716), (412, 1552932), (432, 1481037), (618, 1035288), (648, 987358), (824, 776466), (927, 690192), (1236, 517644), (1296, 493679), (1648, 388233), (1854, 345096), (2472, 258822), (2781, 230064), (3708, 172548), (4793, 133488), (4944, 129411), (5562, 115032), (7416, 86274), (8343, 76688), (9586, 66744), (11124, 57516), (14379, 44496), (14832, 43137), (16686, 38344), (19172, 33372), (22248, 28758)]