247703908

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{569}}^1\times {\mathrm{2531}}^1$

素因数の和:3147

約数の個数: 24

約数和(自身を含む): 444517920

約数和(自身を除く): 196814012

約数列:

[1, 2, 4, 43, 86, 172, 569, 1138, 2276, 2531, 5062, 10124, 24467, 48934, 97868, 108833, 217666, 435332, 1440139, 2880278, 5760556, 61925977, 123851954, 247703908]

約数ペア:

[(1, 247703908), (2, 123851954), (4, 61925977), (43, 5760556), (86, 2880278), (172, 1440139), (569, 435332), (1138, 217666), (2276, 108833), (2531, 97868), (5062, 48934), (10124, 24467)]