1566657988

素因数分解:

$2^2\times 7^3\times {\mathrm{839}}^1\times {\mathrm{1361}}^1$

素因数の和:2225

約数の個数: 48

約数和(自身を含む): 3203424000

約数和(自身を除く): 1636766012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 839, 1361, 1372, 1678, 2722, 3356, 5444, 5873, 9527, 11746, 19054, 23492, 38108, 41111, 66689, 82222, 133378, 164444, 266756, 287777, 466823, 575554, 933646, 1141879, 1151108, 1867292, 2283758, 4567516, 7993153, 15986306, 31972612, 55952071, 111904142, 223808284, 391664497, 783328994, 1566657988]

約数ペア:

[(1, 1566657988), (2, 783328994), (4, 391664497), (7, 223808284), (14, 111904142), (28, 55952071), (49, 31972612), (98, 15986306), (196, 7993153), (343, 4567516), (686, 2283758), (839, 1867292), (1361, 1151108), (1372, 1141879), (1678, 933646), (2722, 575554), (3356, 466823), (5444, 287777), (5873, 266756), (9527, 164444), (11746, 133378), (19054, 82222), (23492, 66689), (38108, 41111)]