16621525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 21766464

約数和(自身を除く): 5144939

約数列:

[1, 5, 23, 25, 115, 137, 211, 575, 685, 1055, 3151, 3425, 4853, 5275, 15755, 24265, 28907, 78775, 121325, 144535, 664861, 722675, 3324305, 16621525]

約数ペア:

[(1, 16621525), (5, 3324305), (23, 722675), (25, 664861), (115, 144535), (137, 121325), (211, 78775), (575, 28907), (685, 24265), (1055, 15755), (3151, 5275), (3425, 4853)]