638510210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4911617}}^1$

素因数の和:4911637

約数の個数: 16

約数和(自身を含む): 1237727736

約数和(自身を除く): 599217526

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4911617, 9823234, 24558085, 49116170, 63851021, 127702042, 319255105, 638510210]

約数ペア:

[(1, 638510210), (2, 319255105), (5, 127702042), (10, 63851021), (13, 49116170), (26, 24558085), (65, 9823234), (130, 4911617)]