128538575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3137}}^1$

素因数の和:3307

約数の個数: 24

約数和(自身を含む): 175100400

約数和(自身を除く): 46561825

約数列:

[1, 5, 11, 25, 55, 149, 275, 745, 1639, 3137, 3725, 8195, 15685, 34507, 40975, 78425, 172535, 467413, 862675, 2337065, 5141543, 11685325, 25707715, 128538575]

約数ペア:

[(1, 128538575), (5, 25707715), (11, 11685325), (25, 5141543), (55, 2337065), (149, 862675), (275, 467413), (745, 172535), (1639, 78425), (3137, 40975), (3725, 34507), (8195, 15685)]