138873406

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{27631}}^1$

素因数の和:27999

約数の個数: 16

約数和(自身を含む): 238740480

約数和(自身を除く): 99867074

約数列:

[1, 2, 7, 14, 359, 718, 2513, 5026, 27631, 55262, 193417, 386834, 9919529, 19839058, 69436703, 138873406]

約数ペア:

[(1, 138873406), (2, 69436703), (7, 19839058), (14, 9919529), (359, 386834), (718, 193417), (2513, 55262), (5026, 27631)]