147396781

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{1889}}^1$

素因数の和:2124

約数の個数: 16

約数和(自身を含む): 172005120

約数和(自身を除く): 24608339

約数列:

[1, 7, 71, 157, 497, 1099, 1889, 11147, 13223, 78029, 134119, 296573, 938833, 2076011, 21056683, 147396781]

約数ペア:

[(1, 147396781), (7, 21056683), (71, 2076011), (157, 938833), (497, 296573), (1099, 134119), (1889, 78029), (11147, 13223)]