640795792

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14197}}^1$

素因数の和:14256

約数の個数: 80

約数和(自身を含む): 1577454592

約数和(自身を除く): 936658800

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 248, 364, 403, 434, 496, 728, 806, 868, 1456, 1612, 1736, 2821, 3224, 3472, 5642, 6448, 11284, 14197, 22568, 28394, 45136, 56788, 99379, 113576, 184561, 198758, 227152, 369122, 397516, 440107, 738244, 795032, 880214, 1291927, 1476488, 1590064, 1760428, 2583854, 2952976, 3080749, 3520856, 5167708, 5721391, 6161498, 7041712, 10335416, 11442782, 12322996, 20670832, 22885564, 24645992, 40049737, 45771128, 49291984, 80099474, 91542256, 160198948, 320397896, 640795792]

約数ペア:

[(1, 640795792), (2, 320397896), (4, 160198948), (7, 91542256), (8, 80099474), (13, 49291984), (14, 45771128), (16, 40049737), (26, 24645992), (28, 22885564), (31, 20670832), (52, 12322996), (56, 11442782), (62, 10335416), (91, 7041712), (104, 6161498), (112, 5721391), (124, 5167708), (182, 3520856), (208, 3080749), (217, 2952976), (248, 2583854), (364, 1760428), (403, 1590064), (434, 1476488), (496, 1291927), (728, 880214), (806, 795032), (868, 738244), (1456, 440107), (1612, 397516), (1736, 369122), (2821, 227152), (3224, 198758), (3472, 184561), (5642, 113576), (6448, 99379), (11284, 56788), (14197, 45136), (22568, 28394)]