247389378

素因数分解:

$2^1\times 3^1\times {\mathrm{239}}^1\times {\mathrm{172517}}^1$

素因数の和:172761

約数の個数: 16

約数和(自身を含む): 496851840

約数和(自身を除く): 249462462

約数列:

[1, 2, 3, 6, 239, 478, 717, 1434, 172517, 345034, 517551, 1035102, 41231563, 82463126, 123694689, 247389378]

約数ペア:

[(1, 247389378), (2, 123694689), (3, 82463126), (6, 41231563), (239, 1035102), (478, 517551), (717, 345034), (1434, 172517)]