1261371568

素因数分解:

$2^4\times {\mathrm{1123}}^1\times {\mathrm{70201}}^1$

素因数の和:71332

約数の個数: 20

約数和(自身を含む): 2446118488

約数和(自身を除く): 1184746920

約数列:

[1, 2, 4, 8, 16, 1123, 2246, 4492, 8984, 17968, 70201, 140402, 280804, 561608, 1123216, 78835723, 157671446, 315342892, 630685784, 1261371568]

約数ペア:

[(1, 1261371568), (2, 630685784), (4, 315342892), (8, 157671446), (16, 78835723), (1123, 1123216), (2246, 561608), (4492, 280804), (8984, 140402), (17968, 70201)]