81423643390

素因数分解:

$2^1\times 5^1\times {\mathrm{14747}}^1\times {\mathrm{552137}}^1$

素因数の和:566891

約数の個数: 16

約数和(自身を含む): 146572762032

約数和(自身を除く): 65149118642

約数列:

[1, 2, 5, 10, 14747, 29494, 73735, 147470, 552137, 1104274, 2760685, 5521370, 8142364339, 16284728678, 40711821695, 81423643390]

約数ペア:

[(1, 81423643390), (2, 40711821695), (5, 16284728678), (10, 8142364339), (14747, 5521370), (29494, 2760685), (73735, 1104274), (147470, 552137)]