520668911

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{293}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 642660480

約数和(自身を除く): 121991569

約数列:

[1, 7, 17, 109, 119, 137, 293, 763, 959, 1853, 2051, 2329, 4981, 12971, 14933, 16303, 31937, 34867, 40141, 104531, 223559, 253861, 280987, 542929, 682397, 1777027, 3800503, 4375369, 4776779, 30627583, 74381273, 520668911]

約数ペア:

[(1, 520668911), (7, 74381273), (17, 30627583), (109, 4776779), (119, 4375369), (137, 3800503), (293, 1777027), (763, 682397), (959, 542929), (1853, 280987), (2051, 253861), (2329, 223559), (4981, 104531), (12971, 40141), (14933, 34867), (16303, 31937)]