12798305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 17888640

約数和(自身を除く): 5090335

約数列:

[1, 5, 13, 19, 43, 65, 95, 215, 241, 247, 559, 817, 1205, 1235, 2795, 3133, 4085, 4579, 10363, 10621, 15665, 22895, 51815, 53105, 59527, 134719, 196897, 297635, 673595, 984485, 2559661, 12798305]

約数ペア:

[(1, 12798305), (5, 2559661), (13, 984485), (19, 673595), (43, 297635), (65, 196897), (95, 134719), (215, 59527), (241, 53105), (247, 51815), (559, 22895), (817, 15665), (1205, 10621), (1235, 10363), (2795, 4579), (3133, 4085)]