12640728

素因数分解:

$2^3\times 3^1\times {\mathrm{193}}^1\times {\mathrm{2729}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 31777200

約数和(自身を除く): 19136472

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 193, 386, 579, 772, 1158, 1544, 2316, 2729, 4632, 5458, 8187, 10916, 16374, 21832, 32748, 65496, 526697, 1053394, 1580091, 2106788, 3160182, 4213576, 6320364, 12640728]

約数ペア:

[(1, 12640728), (2, 6320364), (3, 4213576), (4, 3160182), (6, 2106788), (8, 1580091), (12, 1053394), (24, 526697), (193, 65496), (386, 32748), (579, 21832), (772, 16374), (1158, 10916), (1544, 8187), (2316, 5458), (2729, 4632)]