258498863

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 326977536

約数和(自身を除く): 68478673

約数列:

[1, 7, 23, 31, 49, 151, 161, 217, 343, 713, 1057, 1127, 1519, 2401, 3473, 4681, 4991, 7399, 7889, 10633, 24311, 32767, 34937, 51793, 55223, 74431, 107663, 170177, 229369, 244559, 362551, 753641, 1191239, 1605583, 1711913, 5275487, 8338673, 11239081, 36928409, 258498863]

約数ペア:

[(1, 258498863), (7, 36928409), (23, 11239081), (31, 8338673), (49, 5275487), (151, 1711913), (161, 1605583), (217, 1191239), (343, 753641), (713, 362551), (1057, 244559), (1127, 229369), (1519, 170177), (2401, 107663), (3473, 74431), (4681, 55223), (4991, 51793), (7399, 34937), (7889, 32767), (10633, 24311)]