28785878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{7229}}^1$

素因数の和:7423

約数の個数: 16

約数和(自身を含む): 47370960

約数和(自身を除く): 18585082

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 7229, 14458, 79519, 159038, 1308449, 2616898, 14392939, 28785878]

約数ペア:

[(1, 28785878), (2, 14392939), (11, 2616898), (22, 1308449), (181, 159038), (362, 79519), (1991, 14458), (3982, 7229)]