78264490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{190889}}^1$

素因数の和:190937

約数の個数: 16

約数和(自身を含む): 144312840

約数和(自身を除く): 66048350

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 190889, 381778, 954445, 1908890, 7826449, 15652898, 39132245, 78264490]

約数ペア:

[(1, 78264490), (2, 39132245), (5, 15652898), (10, 7826449), (41, 1908890), (82, 954445), (205, 381778), (410, 190889)]