890991276

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{20359}}^1$

素因数の和:20894

約数の個数: 48

約数和(自身を含む): 2380654080

約数和(自身を除く): 1489662804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 521, 1042, 1563, 2084, 3126, 3647, 6252, 7294, 10941, 14588, 20359, 21882, 40718, 43764, 61077, 81436, 122154, 142513, 244308, 285026, 427539, 570052, 855078, 1710156, 10607039, 21214078, 31821117, 42428156, 63642234, 74249273, 127284468, 148498546, 222747819, 296997092, 445495638, 890991276]

約数ペア:

[(1, 890991276), (2, 445495638), (3, 296997092), (4, 222747819), (6, 148498546), (7, 127284468), (12, 74249273), (14, 63642234), (21, 42428156), (28, 31821117), (42, 21214078), (84, 10607039), (521, 1710156), (1042, 855078), (1563, 570052), (2084, 427539), (3126, 285026), (3647, 244308), (6252, 142513), (7294, 122154), (10941, 81436), (14588, 61077), (20359, 43764), (21882, 40718)]