64788425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1223}}^1$

素因数の和:1409

約数の個数: 24

約数和(自身を含む): 87119424

約数和(自身を除く): 22330999

約数列:

[1, 5, 13, 25, 65, 163, 325, 815, 1223, 2119, 4075, 6115, 10595, 15899, 30575, 52975, 79495, 199349, 397475, 996745, 2591537, 4983725, 12957685, 64788425]

約数ペア:

[(1, 64788425), (5, 12957685), (13, 4983725), (25, 2591537), (65, 996745), (163, 397475), (325, 199349), (815, 79495), (1223, 52975), (2119, 30575), (4075, 15899), (6115, 10595)]