25979395

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12893}}^1$

素因数の和:12942

約数の個数: 16

約数和(自身を含む): 34659072

約数和(自身を除く): 8679677

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 12893, 64465, 167609, 399683, 838045, 1998415, 5195879, 25979395]

約数ペア:

[(1, 25979395), (5, 5195879), (13, 1998415), (31, 838045), (65, 399683), (155, 167609), (403, 64465), (2015, 12893)]