128928910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1172081}}^1$

素因数の和:1172099

約数の個数: 16

約数和(自身を含む): 253169712

約数和(自身を除く): 124240802

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1172081, 2344162, 5860405, 11720810, 12892891, 25785782, 64464455, 128928910]

約数ペア:

[(1, 128928910), (2, 64464455), (5, 25785782), (10, 12892891), (11, 11720810), (22, 5860405), (55, 2344162), (110, 1172081)]