78390125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 109085184

約数和(自身を除く): 30695059

約数列:

[1, 5, 11, 25, 47, 55, 125, 235, 275, 517, 1175, 1213, 1375, 2585, 5875, 6065, 12925, 13343, 30325, 57011, 64625, 66715, 151625, 285055, 333575, 627121, 1425275, 1667875, 3135605, 7126375, 15678025, 78390125]

約数ペア:

[(1, 78390125), (5, 15678025), (11, 7126375), (25, 3135605), (47, 1667875), (55, 1425275), (125, 627121), (235, 333575), (275, 285055), (517, 151625), (1175, 66715), (1213, 64625), (1375, 57011), (2585, 30325), (5875, 13343), (6065, 12925)]