1520397889915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1\times {\mathrm{470303}}^1$

素因数の和:470919

約数の個数: 32

約数和(自身を含む): 1962025514496

約数和(自身を除く): 441627624581

約数列:

[1, 5, 17, 73, 85, 365, 521, 1241, 2605, 6205, 8857, 38033, 44285, 190165, 470303, 646561, 2351515, 3232805, 7995151, 34332119, 39975755, 171660595, 245027863, 583646023, 1225139315, 2918230115, 4165473671, 17887033999, 20827368355, 89435169995, 304079577983, 1520397889915]

約数ペア:

[(1, 1520397889915), (5, 304079577983), (17, 89435169995), (73, 20827368355), (85, 17887033999), (365, 4165473671), (521, 2918230115), (1241, 1225139315), (2605, 583646023), (6205, 245027863), (8857, 171660595), (38033, 39975755), (44285, 34332119), (190165, 7995151), (470303, 3232805), (646561, 2351515)]