28561871

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{1307}}^1$

素因数の和:1402

約数の個数: 12

約数和(自身を含む): 31551576

約数和(自身を除く): 2989705

約数列:

[1, 13, 41, 533, 1307, 1681, 16991, 21853, 53587, 696631, 2197067, 28561871]

約数ペア:

[(1, 28561871), (13, 2197067), (41, 696631), (533, 53587), (1307, 21853), (1681, 16991)]