68521375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 93038400

約数和(自身を除く): 24517025

約数列:

[1, 5, 13, 25, 65, 125, 149, 283, 325, 745, 1415, 1625, 1937, 3679, 3725, 7075, 9685, 18395, 18625, 35375, 42167, 48425, 91975, 210835, 242125, 459875, 548171, 1054175, 2740855, 5270875, 13704275, 68521375]

約数ペア:

[(1, 68521375), (5, 13704275), (13, 5270875), (25, 2740855), (65, 1054175), (125, 548171), (149, 459875), (283, 242125), (325, 210835), (745, 91975), (1415, 48425), (1625, 42167), (1937, 35375), (3679, 18625), (3725, 18395), (7075, 9685)]