645037012

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{1027129}}^1$

素因数の和:1027290

約数の個数: 12

約数和(自身を含む): 1136005780

約数和(自身を除く): 490968768

約数列:

[1, 2, 4, 157, 314, 628, 1027129, 2054258, 4108516, 161259253, 322518506, 645037012]

約数ペア:

[(1, 645037012), (2, 322518506), (4, 161259253), (157, 4108516), (314, 2054258), (628, 1027129)]