208029227

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 256819200

約数和(自身を除く): 48789973

約数列:

[1, 7, 23, 43, 151, 161, 199, 301, 989, 1057, 1393, 3473, 4577, 6493, 6923, 8557, 24311, 30049, 32039, 45451, 59899, 149339, 196811, 210343, 691127, 1045373, 1292107, 1377677, 4837889, 9044749, 29718461, 208029227]

約数ペア:

[(1, 208029227), (7, 29718461), (23, 9044749), (43, 4837889), (151, 1377677), (161, 1292107), (199, 1045373), (301, 691127), (989, 210343), (1057, 196811), (1393, 149339), (3473, 59899), (4577, 45451), (6493, 32039), (6923, 30049), (8557, 24311)]