131342425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7187}}^1$

素因数の和:7257

約数の個数: 24

約数和(自身を含む): 176479776

約数和(自身を除く): 45137351

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 7187, 18275, 35935, 122179, 179675, 309041, 610895, 1545205, 3054475, 5253697, 7726025, 26268485, 131342425]

約数ペア:

[(1, 131342425), (5, 26268485), (17, 7726025), (25, 5253697), (43, 3054475), (85, 1545205), (215, 610895), (425, 309041), (731, 179675), (1075, 122179), (3655, 35935), (7187, 18275)]