64668205

素因数分解:

$5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{197}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 91010304

約数和(自身を除く): 26342099

約数列:

[1, 5, 7, 35, 83, 113, 197, 415, 565, 581, 791, 985, 1379, 2905, 3955, 6895, 9379, 16351, 22261, 46895, 65653, 81755, 111305, 114457, 155827, 328265, 572285, 779135, 1847663, 9238315, 12933641, 64668205]

約数ペア:

[(1, 64668205), (5, 12933641), (7, 9238315), (35, 1847663), (83, 779135), (113, 572285), (197, 328265), (415, 155827), (565, 114457), (581, 111305), (791, 81755), (985, 65653), (1379, 46895), (2905, 22261), (3955, 16351), (6895, 9379)]