28351870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{123269}}^1$

素因数の和:123299

約数の個数: 16

約数和(自身を含む): 53252640

約数和(自身を除く): 24900770

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 123269, 246538, 616345, 1232690, 2835187, 5670374, 14175935, 28351870]

約数ペア:

[(1, 28351870), (2, 14175935), (5, 5670374), (10, 2835187), (23, 1232690), (46, 616345), (115, 246538), (230, 123269)]