199659481

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{21019}}^1$

素因数の和:21108

約数の個数: 16

約数和(自身を含む): 242150400

約数和(自身を除く): 42490919

約数列:

[1, 7, 23, 59, 161, 413, 1357, 9499, 21019, 147133, 483437, 1240121, 3384059, 8680847, 28522783, 199659481]

約数ペア:

[(1, 199659481), (7, 28522783), (23, 8680847), (59, 3384059), (161, 1240121), (413, 483437), (1357, 147133), (9499, 21019)]