25821605

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2731}}^1$

素因数の和:2828

約数の個数: 16

約数和(自身を含む): 32521728

約数和(自身を除く): 6700123

約数列:

[1, 5, 31, 61, 155, 305, 1891, 2731, 9455, 13655, 84661, 166591, 423305, 832955, 5164321, 25821605]

約数ペア:

[(1, 25821605), (5, 5164321), (31, 832955), (61, 423305), (155, 166591), (305, 84661), (1891, 13655), (2731, 9455)]