80811921385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{1799219}}^1$

素因数の和:1799928

約数の個数: 16

約数和(自身を含む): 104585060160

約数和(自身を除く): 23773138775

約数列:

[1, 5, 13, 65, 691, 3455, 8983, 44915, 1799219, 8996095, 23389847, 116949235, 1243260329, 6216301645, 16162384277, 80811921385]

約数ペア:

[(1, 80811921385), (5, 16162384277), (13, 6216301645), (65, 1243260329), (691, 116949235), (3455, 23389847), (8983, 8996095), (44915, 1799219)]