51163216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245977}}^1$

素因数の和:245998

約数の個数: 20

約数和(自身を含む): 106754452

約数和(自身を除く): 55591236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245977, 491954, 983908, 1967816, 3197701, 3935632, 6395402, 12790804, 25581608, 51163216]

約数ペア:

[(1, 51163216), (2, 25581608), (4, 12790804), (8, 6395402), (13, 3935632), (16, 3197701), (26, 1967816), (52, 983908), (104, 491954), (208, 245977)]