1221499675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{827}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 1707640704

約数和(自身を除く): 486141029

約数列:

[1, 5, 11, 25, 41, 55, 131, 205, 275, 451, 655, 827, 1025, 1441, 2255, 3275, 4135, 5371, 7205, 9097, 11275, 20675, 26855, 33907, 36025, 45485, 59081, 108337, 134275, 169535, 227425, 295405, 372977, 541685, 847675, 1191707, 1477025, 1864885, 2708425, 4441817, 5958535, 9324425, 22209085, 29792675, 48859987, 111045425, 244299935, 1221499675]

約数ペア:

[(1, 1221499675), (5, 244299935), (11, 111045425), (25, 48859987), (41, 29792675), (55, 22209085), (131, 9324425), (205, 5958535), (275, 4441817), (451, 2708425), (655, 1864885), (827, 1477025), (1025, 1191707), (1441, 847675), (2255, 541685), (3275, 372977), (4135, 295405), (5371, 227425), (7205, 169535), (9097, 134275), (11275, 108337), (20675, 59081), (26855, 45485), (33907, 36025)]