25355407

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 8190833

約数列:

[1, 7, 11, 23, 77, 103, 139, 161, 253, 721, 973, 1133, 1529, 1771, 2369, 3197, 7931, 10703, 14317, 16583, 22379, 26059, 35167, 100219, 157487, 182413, 246169, 329291, 1102409, 2305037, 3622201, 25355407]

約数ペア:

[(1, 25355407), (7, 3622201), (11, 2305037), (23, 1102409), (77, 329291), (103, 246169), (139, 182413), (161, 157487), (253, 100219), (721, 35167), (973, 26059), (1133, 22379), (1529, 16583), (1771, 14317), (2369, 10703), (3197, 7931)]