1038604816

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{642701}}^1$

素因数の和:642810

約数の個数: 20

約数和(自身を含む): 2032223724

約数和(自身を除く): 993618908

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 642701, 1285402, 2570804, 5141608, 10283216, 64912801, 129825602, 259651204, 519302408, 1038604816]

約数ペア:

[(1, 1038604816), (2, 519302408), (4, 259651204), (8, 129825602), (16, 64912801), (101, 10283216), (202, 5141608), (404, 2570804), (808, 1285402), (1616, 642701)]