257331745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{79301}}^1$

素因数の和:79376

約数の個数: 16

約数和(自身を含む): 342584640

約数和(自身を除く): 85252895

約数列:

[1, 5, 11, 55, 59, 295, 649, 3245, 79301, 396505, 872311, 4361555, 4678759, 23393795, 51466349, 257331745]

約数ペア:

[(1, 257331745), (5, 51466349), (11, 23393795), (55, 4678759), (59, 4361555), (295, 872311), (649, 396505), (3245, 79301)]