28381145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5527}}^1$

素因数の和:5624

約数の個数: 16

約数和(自身を含む): 37148160

約数和(自身を除く): 8767015

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 5527, 27635, 71851, 359255, 436633, 2183165, 5676229, 28381145]

約数ペア:

[(1, 28381145), (5, 5676229), (13, 2183165), (65, 436633), (79, 359255), (395, 71851), (1027, 27635), (5135, 5527)]