81307288

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{23581}}^1$

素因数の和:24018

約数の個数: 16

約数和(自身を含む): 152811360

約数和(自身を除く): 71504072

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 23581, 47162, 94324, 188648, 10163411, 20326822, 40653644, 81307288]

約数ペア:

[(1, 81307288), (2, 40653644), (4, 20326822), (8, 10163411), (431, 188648), (862, 94324), (1724, 47162), (3448, 23581)]