161569390

素因数分解:

$2^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{17581}}^1$

素因数の和:18507

約数の個数: 16

約数和(自身を含む): 291157920

約数和(自身を除く): 129588530

約数列:

[1, 2, 5, 10, 919, 1838, 4595, 9190, 17581, 35162, 87905, 175810, 16156939, 32313878, 80784695, 161569390]

約数ペア:

[(1, 161569390), (2, 80784695), (5, 32313878), (10, 16156939), (919, 175810), (1838, 87905), (4595, 35162), (9190, 17581)]