639311716

素因数分解:

$2^2\times {\mathrm{283}}^1\times {\mathrm{659}}^1\times {\mathrm{857}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 1125764640

約数和(自身を除く): 486452924

約数列:

[1, 2, 4, 283, 566, 659, 857, 1132, 1318, 1714, 2636, 3428, 186497, 242531, 372994, 485062, 564763, 745988, 970124, 1129526, 2259052, 159827929, 319655858, 639311716]

約数ペア:

[(1, 639311716), (2, 319655858), (4, 159827929), (283, 2259052), (566, 1129526), (659, 970124), (857, 745988), (1132, 564763), (1318, 485062), (1714, 372994), (2636, 242531), (3428, 186497)]