678793055

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 859974720

約数和(自身を除く): 181181665

約数列:

[1, 5, 43, 61, 73, 215, 305, 365, 709, 2623, 3139, 3545, 4453, 13115, 15695, 22265, 30487, 43249, 51757, 152435, 191479, 216245, 258785, 957395, 1859707, 2225551, 3157177, 9298535, 11127755, 15785885, 135758611, 678793055]

約数ペア:

[(1, 678793055), (5, 135758611), (43, 15785885), (61, 11127755), (73, 9298535), (215, 3157177), (305, 2225551), (365, 1859707), (709, 957395), (2623, 258785), (3139, 216245), (3545, 191479), (4453, 152435), (13115, 51757), (15695, 43249), (22265, 30487)]