8137493

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 10085376

約数和(自身を除く): 1947883

約数列:

[1, 7, 13, 91, 223, 401, 1561, 2807, 2899, 5213, 20293, 36491, 89423, 625961, 1162499, 8137493]

約数ペア:

[(1, 8137493), (7, 1162499), (13, 625961), (91, 89423), (223, 36491), (401, 20293), (1561, 5213), (2807, 2899)]