28868567

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18661}}^1$

素因数の和:18698

約数の個数: 16

約数和(自身を含む): 37622592

約数和(自身を除く): 8754025

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 18661, 130627, 242593, 317237, 1698151, 2220659, 4124081, 28868567]

約数ペア:

[(1, 28868567), (7, 4124081), (13, 2220659), (17, 1698151), (91, 317237), (119, 242593), (221, 130627), (1547, 18661)]