257375404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{12161}}^1$

素因数の和:12226

約数の個数: 48

約数和(自身を含む): 543495456

約数和(自身を除く): 286120052

約数列:

[1, 2, 4, 11, 13, 22, 26, 37, 44, 52, 74, 143, 148, 286, 407, 481, 572, 814, 962, 1628, 1924, 5291, 10582, 12161, 21164, 24322, 48644, 133771, 158093, 267542, 316186, 449957, 535084, 632372, 899914, 1739023, 1799828, 3478046, 4949527, 5849441, 6956092, 9899054, 11698882, 19798108, 23397764, 64343851, 128687702, 257375404]

約数ペア:

[(1, 257375404), (2, 128687702), (4, 64343851), (11, 23397764), (13, 19798108), (22, 11698882), (26, 9899054), (37, 6956092), (44, 5849441), (52, 4949527), (74, 3478046), (143, 1799828), (148, 1739023), (286, 899914), (407, 632372), (481, 535084), (572, 449957), (814, 316186), (962, 267542), (1628, 158093), (1924, 133771), (5291, 48644), (10582, 24322), (12161, 21164)]