82781923

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 99768240

約数和(自身を除く): 16986317

約数列:

[1, 7, 43, 49, 101, 301, 389, 707, 2107, 2723, 4343, 4949, 16727, 19061, 30401, 39289, 117089, 212807, 275023, 819623, 1689427, 1925161, 11825989, 82781923]

約数ペア:

[(1, 82781923), (7, 11825989), (43, 1925161), (49, 1689427), (101, 819623), (301, 275023), (389, 212807), (707, 117089), (2107, 39289), (2723, 30401), (4343, 19061), (4949, 16727)]