78753025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{1451}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 105868224

約数和(自身を除く): 27115199

約数列:

[1, 5, 13, 25, 65, 167, 325, 835, 1451, 2171, 4175, 7255, 10855, 18863, 36275, 54275, 94315, 242317, 471575, 1211585, 3150121, 6057925, 15750605, 78753025]

約数ペア:

[(1, 78753025), (5, 15750605), (13, 6057925), (25, 3150121), (65, 1211585), (167, 471575), (325, 242317), (835, 94315), (1451, 54275), (2171, 36275), (4175, 18863), (7255, 10855)]