28781604

素因数分解:

$2^2\times 3^2\times {\mathrm{799489}}^1$

素因数の和:799499

約数の個数: 18

約数和(自身を含む): 72753590

約数和(自身を除く): 43971986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 799489, 1598978, 2398467, 3197956, 4796934, 7195401, 9593868, 14390802, 28781604]

約数ペア:

[(1, 28781604), (2, 14390802), (3, 9593868), (4, 7195401), (6, 4796934), (9, 3197956), (12, 2398467), (18, 1598978), (36, 799489)]