28587013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1087}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 37409792

約数和(自身を除く): 8822779

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 1087, 1547, 2023, 3757, 7609, 14131, 18479, 26299, 98917, 129353, 240227, 314143, 1681589, 2199001, 4083859, 28587013]

約数ペア:

[(1, 28587013), (7, 4083859), (13, 2199001), (17, 1681589), (91, 314143), (119, 240227), (221, 129353), (289, 98917), (1087, 26299), (1547, 18479), (2023, 14131), (3757, 7609)]