28102399

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:690

約数の個数: 16

約数和(自身を含む): 31530240

約数和(自身を除く): 3427841

約数列:

[1, 13, 31, 137, 403, 509, 1781, 4247, 6617, 15779, 55211, 69733, 205127, 906529, 2161723, 28102399]

約数ペア:

[(1, 28102399), (13, 2161723), (31, 906529), (137, 205127), (403, 69733), (509, 55211), (1781, 15779), (4247, 6617)]