28786538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{42209}}^1$

素因数の和:42253

約数の個数: 16

約数和(自身を含む): 48625920

約数和(自身を除く): 19839382

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 42209, 84418, 464299, 928598, 1308479, 2616958, 14393269, 28786538]

約数ペア:

[(1, 28786538), (2, 14393269), (11, 2616958), (22, 1308479), (31, 928598), (62, 464299), (341, 84418), (682, 42209)]