25172189

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 31947648

約数和(自身を除く): 6775459

約数列:

[1, 7, 17, 23, 119, 161, 289, 391, 541, 2023, 2737, 3787, 6647, 9197, 12443, 46529, 64379, 87101, 156349, 211531, 1094443, 1480717, 3596027, 25172189]

約数ペア:

[(1, 25172189), (7, 3596027), (17, 1480717), (23, 1094443), (119, 211531), (161, 156349), (289, 87101), (391, 64379), (541, 46529), (2023, 12443), (2737, 9197), (3787, 6647)]