68687216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330227}}^1$

素因数の和:330248

約数の個数: 20

約数和(自身を含む): 143318952

約数和(自身を除く): 74631736

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330227, 660454, 1320908, 2641816, 4292951, 5283632, 8585902, 17171804, 34343608, 68687216]

約数ペア:

[(1, 68687216), (2, 34343608), (4, 17171804), (8, 8585902), (13, 5283632), (16, 4292951), (26, 2641816), (52, 1320908), (104, 660454), (208, 330227)]