260585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:248

約数の個数: 16

約数和(自身を含む): 356160

約数和(自身を除く): 95575

約数列:

[1, 5, 13, 19, 65, 95, 211, 247, 1055, 1235, 2743, 4009, 13715, 20045, 52117, 260585]

約数ペア:

[(1, 260585), (5, 52117), (13, 20045), (19, 13715), (65, 4009), (95, 2743), (211, 1235), (247, 1055)]