13920473

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 16591104

約数和(自身を除く): 2670631

約数列:

[1, 7, 37, 71, 259, 497, 757, 2627, 5299, 18389, 28009, 53747, 196063, 376229, 1988639, 13920473]

約数ペア:

[(1, 13920473), (7, 1988639), (37, 376229), (71, 196063), (259, 53747), (497, 28009), (757, 18389), (2627, 5299)]