28780314

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{208553}}^1$

素因数の和:208581

約数の個数: 16

約数和(自身を含む): 60063552

約数和(自身を除く): 31283238

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 208553, 417106, 625659, 1251318, 4796719, 9593438, 14390157, 28780314]

約数ペア:

[(1, 28780314), (2, 14390157), (3, 9593438), (6, 4796719), (23, 1251318), (46, 625659), (69, 417106), (138, 208553)]