31991195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2309}}^1$

素因数の和:2494

約数の個数: 16

約数和(自身を含む): 40914720

約数和(自身を除く): 8923525

約数列:

[1, 5, 17, 85, 163, 815, 2309, 2771, 11545, 13855, 39253, 196265, 376367, 1881835, 6398239, 31991195]

約数ペア:

[(1, 31991195), (5, 6398239), (17, 1881835), (85, 376367), (163, 196265), (815, 39253), (2309, 13855), (2771, 11545)]