128637676

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1301}}^2$

素因数の和:2625

約数の個数: 18

約数和(自身を含む): 237146420

約数和(自身を除く): 108508744

約数列:

[1, 2, 4, 19, 38, 76, 1301, 2602, 5204, 24719, 49438, 98876, 1692601, 3385202, 6770404, 32159419, 64318838, 128637676]

約数ペア:

[(1, 128637676), (2, 64318838), (4, 32159419), (19, 6770404), (38, 3385202), (76, 1692601), (1301, 98876), (2602, 49438), (5204, 24719)]