256522609

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1\times {\mathrm{1709}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 301069440

約数和(自身を除く): 44546831

約数列:

[1, 7, 41, 287, 523, 1709, 3661, 11963, 21443, 70069, 150101, 490483, 893807, 6256649, 36646087, 256522609]

約数ペア:

[(1, 256522609), (7, 36646087), (41, 6256649), (287, 893807), (523, 490483), (1709, 150101), (3661, 70069), (11963, 21443)]