408078736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1961917}}^1$

素因数の和:1961938

約数の個数: 20

約数和(自身を含む): 851472412

約数和(自身を除く): 443393676

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1961917, 3923834, 7847668, 15695336, 25504921, 31390672, 51009842, 102019684, 204039368, 408078736]

約数ペア:

[(1, 408078736), (2, 204039368), (4, 102019684), (8, 51009842), (13, 31390672), (16, 25504921), (26, 15695336), (52, 7847668), (104, 3923834), (208, 1961917)]