421511495

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{20759}}^1$

素因数の和:20926

約数の個数: 16

約数和(自身を含む): 526141440

約数和(自身を除く): 104629945

約数列:

[1, 5, 31, 131, 155, 655, 4061, 20305, 20759, 103795, 643529, 2719429, 3217645, 13597145, 84302299, 421511495]

約数ペア:

[(1, 421511495), (5, 84302299), (31, 13597145), (131, 3217645), (155, 2719429), (655, 643529), (4061, 103795), (20305, 20759)]