68828656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330907}}^1$

素因数の和:330928

約数の個数: 20

約数和(自身を含む): 143614072

約数和(自身を除く): 74785416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330907, 661814, 1323628, 2647256, 4301791, 5294512, 8603582, 17207164, 34414328, 68828656]

約数ペア:

[(1, 68828656), (2, 34414328), (4, 17207164), (8, 8603582), (13, 5294512), (16, 4301791), (26, 2647256), (52, 1323628), (104, 661814), (208, 330907)]