199389025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{12289}}^1$

素因数の和:12369

約数の個数: 24

約数和(自身を含む): 274312800

約数和(自身を除く): 74923775

約数列:

[1, 5, 11, 25, 55, 59, 275, 295, 649, 1475, 3245, 12289, 16225, 61445, 135179, 307225, 675895, 725051, 3379475, 3625255, 7975561, 18126275, 39877805, 199389025]

約数ペア:

[(1, 199389025), (5, 39877805), (11, 18126275), (25, 7975561), (55, 3625255), (59, 3379475), (275, 725051), (295, 675895), (649, 307225), (1475, 135179), (3245, 61445), (12289, 16225)]