81638602

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{2069}}^1$

素因数の和:2361

約数の個数: 16

約数和(自身を含む): 124324200

約数和(自身を除く): 42685598

約数列:

[1, 2, 109, 181, 218, 362, 2069, 4138, 19729, 39458, 225521, 374489, 451042, 748978, 40819301, 81638602]

約数ペア:

[(1, 81638602), (2, 40819301), (109, 748978), (181, 451042), (218, 374489), (362, 225521), (2069, 39458), (4138, 19729)]