398454914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{7001}}^1$

素因数の和:7226

約数の個数: 32

約数和(自身を含む): 705801600

約数和(自身を除く): 307346686

約数列:

[1, 2, 11, 13, 22, 26, 143, 199, 286, 398, 2189, 2587, 4378, 5174, 7001, 14002, 28457, 56914, 77011, 91013, 154022, 182026, 1001143, 1393199, 2002286, 2786398, 15325189, 18111587, 30650378, 36223174, 199227457, 398454914]

約数ペア:

[(1, 398454914), (2, 199227457), (11, 36223174), (13, 30650378), (22, 18111587), (26, 15325189), (143, 2786398), (199, 2002286), (286, 1393199), (398, 1001143), (2189, 182026), (2587, 154022), (4378, 91013), (5174, 77011), (7001, 56914), (14002, 28457)]