81981094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{31219}}^1$

素因数の和:31335

約数の個数: 16

約数和(自身を含む): 133746480

約数和(自身を除く): 51765386

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 31219, 62438, 405847, 811694, 3153119, 6306238, 40990547, 81981094]

約数ペア:

[(1, 81981094), (2, 40990547), (13, 6306238), (26, 3153119), (101, 811694), (202, 405847), (1313, 62438), (2626, 31219)]