128900785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53597}}^1$

素因数の和:53652

約数の個数: 16

約数和(自身を含む): 171084816

約数和(自身を除く): 42184031

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 53597, 267985, 696761, 1983089, 3483805, 9915445, 25780157, 128900785]

約数ペア:

[(1, 128900785), (5, 25780157), (13, 9915445), (37, 3483805), (65, 1983089), (185, 696761), (481, 267985), (2405, 53597)]