138158216

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{17749}}^1$

素因数の和:17901

約数の個数: 32

約数和(自身を含む): 298200000

約数和(自身を除く): 160041784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 17749, 35498, 70996, 124243, 141992, 248486, 496972, 993944, 2467111, 4934222, 9868444, 17269777, 19736888, 34539554, 69079108, 138158216]

約数ペア:

[(1, 138158216), (2, 69079108), (4, 34539554), (7, 19736888), (8, 17269777), (14, 9868444), (28, 4934222), (56, 2467111), (139, 993944), (278, 496972), (556, 248486), (973, 141992), (1112, 124243), (1946, 70996), (3892, 35498), (7784, 17749)]