251145209

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{2659}}^1$

素因数の和:2900

約数の個数: 16

約数和(自身を含む): 292131840

約数和(自身を除く): 40986631

約数列:

[1, 7, 103, 131, 721, 917, 2659, 13493, 18613, 94451, 273877, 348329, 1917139, 2438303, 35877887, 251145209]

約数ペア:

[(1, 251145209), (7, 35877887), (103, 2438303), (131, 1917139), (721, 348329), (917, 273877), (2659, 94451), (13493, 18613)]