65420845

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2629

約数の個数: 32

約数和(自身を含む): 97244928

約数和(自身を除く): 31824083

約数列:

[1, 5, 7, 17, 35, 43, 85, 119, 215, 301, 595, 731, 1505, 2557, 3655, 5117, 12785, 17899, 25585, 43469, 89495, 109951, 217345, 304283, 549755, 769657, 1521415, 1869167, 3848285, 9345835, 13084169, 65420845]

約数ペア:

[(1, 65420845), (5, 13084169), (7, 9345835), (17, 3848285), (35, 1869167), (43, 1521415), (85, 769657), (119, 549755), (215, 304283), (301, 217345), (595, 109951), (731, 89495), (1505, 43469), (2557, 25585), (3655, 17899), (5117, 12785)]