68968081

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{353}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 90397440

約数和(自身を除く): 21429359

約数列:

[1, 7, 13, 19, 91, 113, 133, 247, 353, 791, 1469, 1729, 2147, 2471, 4589, 6707, 10283, 15029, 27911, 32123, 39889, 46949, 87191, 195377, 279223, 518557, 610337, 757891, 3629899, 5305237, 9852583, 68968081]

約数ペア:

[(1, 68968081), (7, 9852583), (13, 5305237), (19, 3629899), (91, 757891), (113, 610337), (133, 518557), (247, 279223), (353, 195377), (791, 87191), (1469, 46949), (1729, 39889), (2147, 32123), (2471, 27911), (4589, 15029), (6707, 10283)]