28882928

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{41981}}^1$

素因数の和:42032

約数の個数: 20

約数和(自身を含む): 57263448

約数和(自身を除く): 28380520

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 41981, 83962, 167924, 335848, 671696, 1805183, 3610366, 7220732, 14441464, 28882928]

約数ペア:

[(1, 28882928), (2, 14441464), (4, 7220732), (8, 3610366), (16, 1805183), (43, 671696), (86, 335848), (172, 167924), (344, 83962), (688, 41981)]