81659324

素因数分解:

$2^2\times {\mathrm{1031}}^1\times {\mathrm{19801}}^1$

素因数の和:20836

約数の個数: 12

約数和(自身を含む): 143049648

約数和(自身を除く): 61390324

約数列:

[1, 2, 4, 1031, 2062, 4124, 19801, 39602, 79204, 20414831, 40829662, 81659324]

約数ペア:

[(1, 81659324), (2, 40829662), (4, 20414831), (1031, 79204), (2062, 39602), (4124, 19801)]