218426416

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{80779}}^1$

素因数の和:80813

約数の個数: 30

約数和(自身を含む): 458264940

約数和(自身を除く): 239838524

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 80779, 161558, 323116, 646232, 1050127, 1292464, 2100254, 4200508, 8401016, 13651651, 16802032, 27303302, 54606604, 109213208, 218426416]

約数ペア:

[(1, 218426416), (2, 109213208), (4, 54606604), (8, 27303302), (13, 16802032), (16, 13651651), (26, 8401016), (52, 4200508), (104, 2100254), (169, 1292464), (208, 1050127), (338, 646232), (676, 323116), (1352, 161558), (2704, 80779)]