217856834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{194863}}^1$

素因数の和:194921

約数の個数: 16

約数和(自身を含む): 360108672

約数和(自身を除く): 142251838

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 194863, 389726, 2533219, 5066438, 8379109, 16758218, 108928417, 217856834]

約数ペア:

[(1, 217856834), (2, 108928417), (13, 16758218), (26, 8379109), (43, 5066438), (86, 2533219), (559, 389726), (1118, 194863)]