12221456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{58757}}^1$

素因数の和:58778

約数の個数: 20

約数和(自身を含む): 25500972

約数和(自身を除く): 13279516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 58757, 117514, 235028, 470056, 763841, 940112, 1527682, 3055364, 6110728, 12221456]

約数ペア:

[(1, 12221456), (2, 6110728), (4, 3055364), (8, 1527682), (13, 940112), (16, 763841), (26, 470056), (52, 235028), (104, 117514), (208, 58757)]