681265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:288

約数の個数: 16

約数和(自身を含む): 903168

約数和(自身を除く): 221903

約数列:

[1, 5, 13, 47, 65, 223, 235, 611, 1115, 2899, 3055, 10481, 14495, 52405, 136253, 681265]

約数ペア:

[(1, 681265), (5, 136253), (13, 52405), (47, 14495), (65, 10481), (223, 3055), (235, 2899), (611, 1115)]