68211728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{327941}}^1$

素因数の和:327962

約数の個数: 20

約数和(自身を含む): 142326828

約数和(自身を除く): 74115100

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 327941, 655882, 1311764, 2623528, 4263233, 5247056, 8526466, 17052932, 34105864, 68211728]

約数ペア:

[(1, 68211728), (2, 34105864), (4, 17052932), (8, 8526466), (13, 5247056), (16, 4263233), (26, 2623528), (52, 1311764), (104, 655882), (208, 327941)]