281505004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6469}}^1$

素因数の和:6550

約数の個数: 48

約数和(自身を含む): 573914880

約数和(自身を除く): 292409876

約数列:

[1, 2, 4, 11, 22, 23, 43, 44, 46, 86, 92, 172, 253, 473, 506, 946, 989, 1012, 1892, 1978, 3956, 6469, 10879, 12938, 21758, 25876, 43516, 71159, 142318, 148787, 278167, 284636, 297574, 556334, 595148, 1112668, 1636657, 3059837, 3273314, 6119674, 6397841, 6546628, 12239348, 12795682, 25591364, 70376251, 140752502, 281505004]

約数ペア:

[(1, 281505004), (2, 140752502), (4, 70376251), (11, 25591364), (22, 12795682), (23, 12239348), (43, 6546628), (44, 6397841), (46, 6119674), (86, 3273314), (92, 3059837), (172, 1636657), (253, 1112668), (473, 595148), (506, 556334), (946, 297574), (989, 284636), (1012, 278167), (1892, 148787), (1978, 142318), (3956, 71159), (6469, 43516), (10879, 25876), (12938, 21758)]