2908490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1721}}^1$

素因数の和:1754

約数の個数: 24

約数和(自身を含む): 5672268

約数和(自身を除く): 2763778

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 1721, 3442, 8605, 17210, 22373, 44746, 111865, 223730, 290849, 581698, 1454245, 2908490]

約数ペア:

[(1, 2908490), (2, 1454245), (5, 581698), (10, 290849), (13, 223730), (26, 111865), (65, 44746), (130, 22373), (169, 17210), (338, 8605), (845, 3442), (1690, 1721)]