260897

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 16

約数和(自身を含む): 333312

約数和(自身を除く): 72415

約数列:

[1, 7, 13, 47, 61, 91, 329, 427, 611, 793, 2867, 4277, 5551, 20069, 37271, 260897]

約数ペア:

[(1, 260897), (7, 37271), (13, 20069), (47, 5551), (61, 4277), (91, 2867), (329, 793), (427, 611)]