25891145

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 36830976

約数和(自身を除く): 10939831

約数列:

[1, 5, 7, 35, 61, 67, 181, 305, 335, 427, 469, 905, 1267, 2135, 2345, 4087, 6335, 11041, 12127, 20435, 28609, 55205, 60635, 77287, 84889, 143045, 386435, 424445, 739747, 3698735, 5178229, 25891145]

約数ペア:

[(1, 25891145), (5, 5178229), (7, 3698735), (35, 739747), (61, 424445), (67, 386435), (181, 143045), (305, 84889), (335, 77287), (427, 60635), (469, 55205), (905, 28609), (1267, 20435), (2135, 12127), (2345, 11041), (4087, 6335)]