71720155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{58073}}^1$

素因数の和:58110

約数の個数: 16

約数和(自身を含む): 97564320

約数和(自身を除く): 25844165

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 58073, 290365, 754949, 1103387, 3774745, 5516935, 14344031, 71720155]

約数ペア:

[(1, 71720155), (5, 14344031), (13, 5516935), (19, 3774745), (65, 1103387), (95, 754949), (247, 290365), (1235, 58073)]