291258370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2240449}}^1$

素因数の和:2240469

約数の個数: 16

約数和(自身を含む): 564593400

約数和(自身を除く): 273335030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2240449, 4480898, 11202245, 22404490, 29125837, 58251674, 145629185, 291258370]

約数ペア:

[(1, 291258370), (2, 145629185), (5, 58251674), (10, 29125837), (13, 22404490), (26, 11202245), (65, 4480898), (130, 2240449)]