81615895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{25951}}^1$

素因数の和:26010

約数の個数: 16

約数和(自身を含む): 106507008

約数和(自身を除く): 24891113

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 25951, 129755, 441167, 960187, 2205835, 4800935, 16323179, 81615895]

約数ペア:

[(1, 81615895), (5, 16323179), (17, 4800935), (37, 2205835), (85, 960187), (185, 441167), (629, 129755), (3145, 25951)]