25804891

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:562

約数の個数: 16

約数和(自身を含む): 30220288

約数和(自身を除く): 4415397

約数列:

[1, 7, 61, 223, 271, 427, 1561, 1897, 13603, 16531, 60433, 95221, 115717, 423031, 3686413, 25804891]

約数ペア:

[(1, 25804891), (7, 3686413), (61, 423031), (223, 115717), (271, 95221), (427, 60433), (1561, 16531), (1897, 13603)]