1388390563

素因数分解:

$7^1\times {\mathrm{199}}^1\times {\mathrm{857}}^1\times {\mathrm{1163}}^1$

素因数の和:2226

約数の個数: 16

約数和(自身を含む): 1597939200

約数和(自身を除く): 209548637

約数列:

[1, 7, 199, 857, 1163, 1393, 5999, 8141, 170543, 231437, 996691, 1193801, 1620059, 6976837, 198341509, 1388390563]

約数ペア:

[(1, 1388390563), (7, 198341509), (199, 6976837), (857, 1620059), (1163, 1193801), (1393, 996691), (5999, 231437), (8141, 170543)]