31791630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81517}}^1$

素因数の和:81540

約数の個数: 32

約数和(自身を含む): 82170144

約数和(自身を除く): 50378514

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81517, 163034, 244551, 407585, 489102, 815170, 1059721, 1222755, 2119442, 2445510, 3179163, 5298605, 6358326, 10597210, 15895815, 31791630]

約数ペア:

[(1, 31791630), (2, 15895815), (3, 10597210), (5, 6358326), (6, 5298605), (10, 3179163), (13, 2445510), (15, 2119442), (26, 1222755), (30, 1059721), (39, 815170), (65, 489102), (78, 407585), (130, 244551), (195, 163034), (390, 81517)]