251001010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{26449}}^1$

素因数の和:26542

約数の個数: 32

約数和(自身を含む): 493239600

約数和(自身を除く): 242238590

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 26449, 52898, 132245, 264490, 343837, 687674, 1719185, 1930777, 3438370, 3861554, 9653885, 19307770, 25100101, 50200202, 125500505, 251001010]

約数ペア:

[(1, 251001010), (2, 125500505), (5, 50200202), (10, 25100101), (13, 19307770), (26, 9653885), (65, 3861554), (73, 3438370), (130, 1930777), (146, 1719185), (365, 687674), (730, 343837), (949, 264490), (1898, 132245), (4745, 52898), (9490, 26449)]