25679056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123457}}^1$

素因数の和:123478

約数の個数: 20

約数和(自身を含む): 53580772

約数和(自身を除く): 27901716

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123457, 246914, 493828, 987656, 1604941, 1975312, 3209882, 6419764, 12839528, 25679056]

約数ペア:

[(1, 25679056), (2, 12839528), (4, 6419764), (8, 3209882), (13, 1975312), (16, 1604941), (26, 987656), (52, 493828), (104, 246914), (208, 123457)]