380671478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{86951}}^1$

素因数の和:87163

約数の個数: 16

約数和(自身を含む): 626054400

約数和(自身を除く): 245382922

約数列:

[1, 2, 11, 22, 199, 398, 2189, 4378, 86951, 173902, 956461, 1912922, 17303249, 34606498, 190335739, 380671478]

約数ペア:

[(1, 380671478), (2, 190335739), (11, 34606498), (22, 17303249), (199, 1912922), (398, 956461), (2189, 173902), (4378, 86951)]