66990310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1499}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 124740000

約数和(自身を除く): 57749690

約数列:

[1, 2, 5, 10, 41, 82, 109, 205, 218, 410, 545, 1090, 1499, 2998, 4469, 7495, 8938, 14990, 22345, 44690, 61459, 122918, 163391, 307295, 326782, 614590, 816955, 1633910, 6699031, 13398062, 33495155, 66990310]

約数ペア:

[(1, 66990310), (2, 33495155), (5, 13398062), (10, 6699031), (41, 1633910), (82, 816955), (109, 614590), (205, 326782), (218, 307295), (410, 163391), (545, 122918), (1090, 61459), (1499, 44690), (2998, 22345), (4469, 14990), (7495, 8938)]