68635216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{329977}}^1$

素因数の和:329998

約数の個数: 20

約数和(自身を含む): 143210452

約数和(自身を除く): 74575236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 329977, 659954, 1319908, 2639816, 4289701, 5279632, 8579402, 17158804, 34317608, 68635216]

約数ペア:

[(1, 68635216), (2, 34317608), (4, 17158804), (8, 8579402), (13, 5279632), (16, 4289701), (26, 2639816), (52, 1319908), (104, 659954), (208, 329977)]