681616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 1484280

約数和(自身を除く): 802664

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 113, 116, 208, 226, 232, 377, 452, 464, 754, 904, 1469, 1508, 1808, 2938, 3016, 3277, 5876, 6032, 6554, 11752, 13108, 23504, 26216, 42601, 52432, 85202, 170404, 340808, 681616]

約数ペア:

[(1, 681616), (2, 340808), (4, 170404), (8, 85202), (13, 52432), (16, 42601), (26, 26216), (29, 23504), (52, 13108), (58, 11752), (104, 6554), (113, 6032), (116, 5876), (208, 3277), (226, 3016), (232, 2938), (377, 1808), (452, 1508), (464, 1469), (754, 904)]