25021997

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3571}}^1$

素因数の和:3609

約数の個数: 24

約数和(自身を含む): 34205472

約数和(自身を除く): 9183475

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 3571, 7007, 24997, 39281, 46423, 174979, 274967, 324961, 510653, 1924769, 2274727, 3574571, 25021997]

約数ペア:

[(1, 25021997), (7, 3574571), (11, 2274727), (13, 1924769), (49, 510653), (77, 324961), (91, 274967), (143, 174979), (539, 46423), (637, 39281), (1001, 24997), (3571, 7007)]