86721745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{54371}}^1$

素因数の和:54416

約数の個数: 16

約数和(自身を含む): 117443520

約数和(自身を除く): 30721775

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 54371, 271855, 598081, 1576759, 2990405, 7883795, 17344349, 86721745]

約数ペア:

[(1, 86721745), (5, 17344349), (11, 7883795), (29, 2990405), (55, 1576759), (145, 598081), (319, 271855), (1595, 54371)]