211345631

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{9643}}^1$

素因数の和:9782

約数の個数: 16

約数和(自身を含む): 251824128

約数和(自身を除く): 40478497

約数列:

[1, 7, 31, 101, 217, 707, 3131, 9643, 21917, 67501, 298933, 973943, 2092531, 6817601, 30192233, 211345631]

約数ペア:

[(1, 211345631), (7, 30192233), (31, 6817601), (101, 2092531), (217, 973943), (707, 298933), (3131, 67501), (9643, 21917)]