12857585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 18144000

約数和(自身を除く): 5286415

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 359, 377, 551, 1235, 1795, 1885, 2755, 4667, 6821, 7163, 10411, 23335, 34105, 35815, 52055, 88673, 135343, 197809, 443365, 676715, 989045, 2571517, 12857585]

約数ペア:

[(1, 12857585), (5, 2571517), (13, 989045), (19, 676715), (29, 443365), (65, 197809), (95, 135343), (145, 88673), (247, 52055), (359, 35815), (377, 34105), (551, 23335), (1235, 10411), (1795, 7163), (1885, 6821), (2755, 4667)]