28143930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{21817}}^1$

素因数の和:21870

約数の個数: 32

約数和(自身を含む): 69119424

約数和(自身を除く): 40975494

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 21817, 43634, 65451, 109085, 130902, 218170, 327255, 654510, 938131, 1876262, 2814393, 4690655, 5628786, 9381310, 14071965, 28143930]

約数ペア:

[(1, 28143930), (2, 14071965), (3, 9381310), (5, 5628786), (6, 4690655), (10, 2814393), (15, 1876262), (30, 938131), (43, 654510), (86, 327255), (129, 218170), (215, 130902), (258, 109085), (430, 65451), (645, 43634), (1290, 21817)]