81220076

素因数分解:

$2^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{15187}}^1$

素因数の和:15389

約数の個数: 24

約数和(自身を含む): 163301376

約数和(自身を除く): 82081300

約数列:

[1, 2, 4, 7, 14, 28, 191, 382, 764, 1337, 2674, 5348, 15187, 30374, 60748, 106309, 212618, 425236, 2900717, 5801434, 11602868, 20305019, 40610038, 81220076]

約数ペア:

[(1, 81220076), (2, 40610038), (4, 20305019), (7, 11602868), (14, 5801434), (28, 2900717), (191, 425236), (382, 212618), (764, 106309), (1337, 60748), (2674, 30374), (5348, 15187)]