289399385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{142211}}^1$

素因数の和:142264

約数の個数: 16

約数和(自身を含む): 389092032

約数和(自身を除く): 99692647

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 142211, 711055, 1564321, 5261807, 7821605, 26309035, 57879877, 289399385]

約数ペア:

[(1, 289399385), (5, 57879877), (11, 26309035), (37, 7821605), (55, 5261807), (185, 1564321), (407, 711055), (2035, 142211)]