78147718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{2689}}^1$

素因数の和:4023

約数の個数: 16

約数和(自身を含む): 128022480

約数和(自身を除く): 49874762

約数列:

[1, 2, 11, 22, 1321, 2642, 2689, 5378, 14531, 29062, 29579, 59158, 3552169, 7104338, 39073859, 78147718]

約数ペア:

[(1, 78147718), (2, 39073859), (11, 7104338), (22, 3552169), (1321, 59158), (2642, 29579), (2689, 29062), (5378, 14531)]