161404490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1241573}}^1$

素因数の和:1241593

約数の個数: 16

約数和(自身を含む): 312876648

約数和(自身を除く): 151472158

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1241573, 2483146, 6207865, 12415730, 16140449, 32280898, 80702245, 161404490]

約数ペア:

[(1, 161404490), (2, 80702245), (5, 32280898), (10, 16140449), (13, 12415730), (26, 6207865), (65, 2483146), (130, 1241573)]