208142758

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{21313}}^1$

素因数の和:21591

約数の個数: 16

約数和(自身を含む): 329940720

約数和(自身を除く): 121797962

約数列:

[1, 2, 19, 38, 257, 514, 4883, 9766, 21313, 42626, 404947, 809894, 5477441, 10954882, 104071379, 208142758]

約数ペア:

[(1, 208142758), (2, 104071379), (19, 10954882), (38, 5477441), (257, 809894), (514, 404947), (4883, 42626), (9766, 21313)]