639753612

素因数分解:

$2^2\times 3^1\times {\mathrm{53312801}}^1$

素因数の和:53312808

約数の個数: 12

約数和(自身を含む): 1492758456

約数和(自身を除く): 853004844

約数列:

[1, 2, 3, 4, 6, 12, 53312801, 106625602, 159938403, 213251204, 319876806, 639753612]

約数ペア:

[(1, 639753612), (2, 319876806), (3, 213251204), (4, 159938403), (6, 106625602), (12, 53312801)]