65488625

素因数分解:

$5^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 85183488

約数和(自身を除く): 19694863

約数列:

[1, 5, 25, 47, 71, 125, 157, 235, 355, 785, 1175, 1775, 3337, 3925, 5875, 7379, 8875, 11147, 16685, 19625, 36895, 55735, 83425, 184475, 278675, 417125, 523909, 922375, 1393375, 2619545, 13097725, 65488625]

約数ペア:

[(1, 65488625), (5, 13097725), (25, 2619545), (47, 1393375), (71, 922375), (125, 523909), (157, 417125), (235, 278675), (355, 184475), (785, 83425), (1175, 55735), (1775, 36895), (3337, 19625), (3925, 16685), (5875, 11147), (7379, 8875)]