28696876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42451}}^1$

素因数の和:42481

約数の個数: 18

約数和(自身を含む): 54381012

約数和(自身を除く): 25684136

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42451, 84902, 169804, 551863, 1103726, 2207452, 7174219, 14348438, 28696876]

約数ペア:

[(1, 28696876), (2, 14348438), (4, 7174219), (13, 2207452), (26, 1103726), (52, 551863), (169, 169804), (338, 84902), (676, 42451)]