64891856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{238573}}^1$

素因数の和:238598

約数の個数: 20

約数和(自身を含む): 133124292

約数和(自身を除く): 68232436

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 238573, 477146, 954292, 1908584, 3817168, 4055741, 8111482, 16222964, 32445928, 64891856]

約数ペア:

[(1, 64891856), (2, 32445928), (4, 16222964), (8, 8111482), (16, 4055741), (17, 3817168), (34, 1908584), (68, 954292), (136, 477146), (272, 238573)]