280807522

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:802

約数の個数: 32

約数和(自身を含む): 446846400

約数和(自身を除く): 166038878

約数列:

[1, 2, 29, 58, 61, 122, 139, 278, 571, 1142, 1769, 3538, 4031, 8062, 8479, 16559, 16958, 33118, 34831, 69662, 79369, 158738, 245891, 491782, 1010099, 2020198, 2301701, 4603402, 4841509, 9683018, 140403761, 280807522]

約数ペア:

[(1, 280807522), (2, 140403761), (29, 9683018), (58, 4841509), (61, 4603402), (122, 2301701), (139, 2020198), (278, 1010099), (571, 491782), (1142, 245891), (1769, 158738), (3538, 79369), (4031, 69662), (8062, 34831), (8479, 33118), (16559, 16958)]