11977885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2137}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 15393600

約数和(自身を除く): 3415715

約数列:

[1, 5, 19, 59, 95, 295, 1121, 2137, 5605, 10685, 40603, 126083, 203015, 630415, 2395577, 11977885]

約数ペア:

[(1, 11977885), (5, 2395577), (19, 630415), (59, 203015), (95, 126083), (295, 40603), (1121, 10685), (2137, 5605)]