161738980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{622073}}^1$

素因数の和:622095

約数の個数: 24

約数和(自身を含む): 365779512

約数和(自身を除く): 204040532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 622073, 1244146, 2488292, 3110365, 6220730, 8086949, 12441460, 16173898, 32347796, 40434745, 80869490, 161738980]

約数ペア:

[(1, 161738980), (2, 80869490), (4, 40434745), (5, 32347796), (10, 16173898), (13, 12441460), (20, 8086949), (26, 6220730), (52, 3110365), (65, 2488292), (130, 1244146), (260, 622073)]