78855812

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20261}}^1$

素因数の和:20411

約数の個数: 24

約数和(自身を含む): 158854080

約数和(自身を除く): 79998268

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20261, 40522, 81044, 141827, 283654, 567308, 2816279, 5632558, 11265116, 19713953, 39427906, 78855812]

約数ペア:

[(1, 78855812), (2, 39427906), (4, 19713953), (7, 11265116), (14, 5632558), (28, 2816279), (139, 567308), (278, 283654), (556, 141827), (973, 81044), (1946, 40522), (3892, 20261)]