28277375

素因数分解:

$5^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1901}}^1$

素因数の和:1940

約数の個数: 32

約数和(自身を含む): 42726528

約数和(自身を除く): 14449153

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 125, 175, 425, 595, 875, 1901, 2125, 2975, 9505, 13307, 14875, 32317, 47525, 66535, 161585, 226219, 237625, 332675, 807925, 1131095, 1663375, 4039625, 5655475, 28277375]

約数ペア:

[(1, 28277375), (5, 5655475), (7, 4039625), (17, 1663375), (25, 1131095), (35, 807925), (85, 332675), (119, 237625), (125, 226219), (175, 161585), (425, 66535), (595, 47525), (875, 32317), (1901, 14875), (2125, 13307), (2975, 9505)]