138866878

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{10687}}^1$

素因数の和:10851

約数の個数: 16

約数和(自身を含む): 213546240

約数和(自身を除く): 74679362

約数列:

[1, 2, 73, 89, 146, 178, 6497, 10687, 12994, 21374, 780151, 951143, 1560302, 1902286, 69433439, 138866878]

約数ペア:

[(1, 138866878), (2, 69433439), (73, 1902286), (89, 1560302), (146, 951143), (178, 780151), (6497, 21374), (10687, 12994)]