25866421

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{463}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 31002624

約数和(自身を除く): 5136203

約数列:

[1, 7, 23, 161, 347, 463, 2429, 3241, 7981, 10649, 55867, 74543, 160661, 1124627, 3695203, 25866421]

約数ペア:

[(1, 25866421), (7, 3695203), (23, 1124627), (161, 160661), (347, 74543), (463, 55867), (2429, 10649), (3241, 7981)]