16990289

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:320

約数の個数: 16

約数和(自身を含む): 18258240

約数和(自身を除く): 1267951

約数列:

[1, 37, 43, 59, 181, 1591, 2183, 2537, 6697, 7783, 10679, 93869, 287971, 395123, 459197, 16990289]

約数ペア:

[(1, 16990289), (37, 459197), (43, 395123), (59, 287971), (181, 93869), (1591, 10679), (2183, 7783), (2537, 6697)]