25405156

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 53673984

約数和(自身を除く): 28268828

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 103, 161, 206, 322, 383, 412, 644, 721, 766, 1442, 1532, 2369, 2681, 2884, 4738, 5362, 8809, 9476, 10724, 16583, 17618, 33166, 35236, 39449, 61663, 66332, 78898, 123326, 157796, 246652, 276143, 552286, 907327, 1104572, 1814654, 3629308, 6351289, 12702578, 25405156]

約数ペア:

[(1, 25405156), (2, 12702578), (4, 6351289), (7, 3629308), (14, 1814654), (23, 1104572), (28, 907327), (46, 552286), (92, 276143), (103, 246652), (161, 157796), (206, 123326), (322, 78898), (383, 66332), (412, 61663), (644, 39449), (721, 35236), (766, 33166), (1442, 17618), (1532, 16583), (2369, 10724), (2681, 9476), (2884, 8809), (4738, 5362)]