70391984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{338423}}^1$

素因数の和:338444

約数の個数: 20

約数和(自身を含む): 146876016

約数和(自身を除く): 76484032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 338423, 676846, 1353692, 2707384, 4399499, 5414768, 8798998, 17597996, 35195992, 70391984]

約数ペア:

[(1, 70391984), (2, 35195992), (4, 17597996), (8, 8798998), (13, 5414768), (16, 4399499), (26, 2707384), (52, 1353692), (104, 676846), (208, 338423)]