81908045

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{1667}}^1$

素因数の和:2020

約数の個数: 16

約数和(自身を含む): 101841408

約数和(自身を除く): 19933363

約数列:

[1, 5, 31, 155, 317, 1585, 1667, 8335, 9827, 49135, 51677, 258385, 528439, 2642195, 16381609, 81908045]

約数ペア:

[(1, 81908045), (5, 16381609), (31, 2642195), (155, 528439), (317, 258385), (1585, 51677), (1667, 49135), (8335, 9827)]