28640486

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107671}}^1$

素因数の和:107699

約数の個数: 16

約数和(自身を含む): 51682560

約数和(自身を除く): 23042074

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 107671, 215342, 753697, 1507394, 2045749, 4091498, 14320243, 28640486]

約数ペア:

[(1, 28640486), (2, 14320243), (7, 4091498), (14, 2045749), (19, 1507394), (38, 753697), (133, 215342), (266, 107671)]