8131886

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{1609}}^1$

素因数の和:1656

約数の個数: 24

約数和(自身を含む): 14721840

約数和(自身を除く): 6589954

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 1609, 2527, 3218, 5054, 11263, 22526, 30571, 61142, 213997, 427994, 580849, 1161698, 4065943, 8131886]

約数ペア:

[(1, 8131886), (2, 4065943), (7, 1161698), (14, 580849), (19, 427994), (38, 213997), (133, 61142), (266, 30571), (361, 22526), (722, 11263), (1609, 5054), (2527, 3218)]