77887972

素因数分解:

$2^2\times {\mathrm{61}}^2\times {\mathrm{5233}}^1$

素因数の和:5359

約数の個数: 18

約数和(自身を含む): 138601554

約数和(自身を除く): 60713582

約数列:

[1, 2, 4, 61, 122, 244, 3721, 5233, 7442, 10466, 14884, 20932, 319213, 638426, 1276852, 19471993, 38943986, 77887972]

約数ペア:

[(1, 77887972), (2, 38943986), (4, 19471993), (61, 1276852), (122, 638426), (244, 319213), (3721, 20932), (5233, 14884), (7442, 10466)]