28900390

素因数分解:

$2^1\times 5^1\times {\mathrm{1543}}^1\times {\mathrm{1873}}^1$

素因数の和:3423

約数の個数: 16

約数和(自身を含む): 52082208

約数和(自身を除く): 23181818

約数列:

[1, 2, 5, 10, 1543, 1873, 3086, 3746, 7715, 9365, 15430, 18730, 2890039, 5780078, 14450195, 28900390]

約数ペア:

[(1, 28900390), (2, 14450195), (5, 5780078), (10, 2890039), (1543, 18730), (1873, 15430), (3086, 9365), (3746, 7715)]