81961928

素因数分解:

$2^3\times {\mathrm{2861}}^1\times {\mathrm{3581}}^1$

素因数の和:6448

約数の個数: 16

約数和(自身を含む): 153775260

約数和(自身を除く): 71813332

約数列:

[1, 2, 4, 8, 2861, 3581, 5722, 7162, 11444, 14324, 22888, 28648, 10245241, 20490482, 40980964, 81961928]

約数ペア:

[(1, 81961928), (2, 40980964), (4, 20490482), (8, 10245241), (2861, 28648), (3581, 22888), (5722, 14324), (7162, 11444)]