81940663

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1973}}^1$

素因数の和:2346

約数の個数: 16

約数和(自身を含む): 99489600

約数和(自身を除く): 17548937

約数列:

[1, 7, 17, 119, 349, 1973, 2443, 5933, 13811, 33541, 41531, 234787, 688577, 4820039, 11705809, 81940663]

約数ペア:

[(1, 81940663), (7, 11705809), (17, 4820039), (119, 688577), (349, 234787), (1973, 41531), (2443, 33541), (5933, 13811)]