28274764

素因数分解:

$2^2\times 7^2\times {\mathrm{144259}}^1$

素因数の和:144277

約数の個数: 18

約数和(自身を含む): 57559740

約数和(自身を除く): 29284976

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 144259, 288518, 577036, 1009813, 2019626, 4039252, 7068691, 14137382, 28274764]

約数ペア:

[(1, 28274764), (2, 14137382), (4, 7068691), (7, 4039252), (14, 2019626), (28, 1009813), (49, 577036), (98, 288518), (196, 144259)]