636221456

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{235289}}^1$

素因数の和:235323

約数の個数: 30

約数和(自身を含む): 1334800170

約数和(自身を除く): 698578714

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 235289, 470578, 941156, 1882312, 3058757, 3764624, 6117514, 12235028, 24470056, 39763841, 48940112, 79527682, 159055364, 318110728, 636221456]

約数ペア:

[(1, 636221456), (2, 318110728), (4, 159055364), (8, 79527682), (13, 48940112), (16, 39763841), (26, 24470056), (52, 12235028), (104, 6117514), (169, 3764624), (208, 3058757), (338, 1882312), (676, 941156), (1352, 470578), (2704, 235289)]