425165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:260

約数の個数: 16

約数和(自身を含む): 569856

約数和(自身を除く): 144691

約数列:

[1, 5, 13, 31, 65, 155, 211, 403, 1055, 2015, 2743, 6541, 13715, 32705, 85033, 425165]

約数ペア:

[(1, 425165), (5, 85033), (13, 32705), (31, 13715), (65, 6541), (155, 2743), (211, 2015), (403, 1055)]