1243458212

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{1980029}}^1$

素因数の和:1980190

約数の個数: 12

約数和(自身を含む): 2189913180

約数和(自身を除く): 946454968

約数列:

[1, 2, 4, 157, 314, 628, 1980029, 3960058, 7920116, 310864553, 621729106, 1243458212]

約数ペア:

[(1, 1243458212), (2, 621729106), (4, 310864553), (157, 7920116), (314, 3960058), (628, 1980029)]