81131786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{125591}}^1$

素因数の和:125629

約数の個数: 16

約数和(自身を含む): 135639360

約数和(自身を除く): 54507574

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 125591, 251182, 2135047, 2386229, 4270094, 4772458, 40565893, 81131786]

約数ペア:

[(1, 81131786), (2, 40565893), (17, 4772458), (19, 4270094), (34, 2386229), (38, 2135047), (323, 251182), (646, 125591)]