26669968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{128221}}^1$

素因数の和:128242

約数の個数: 20

約数和(自身を含む): 55648348

約数和(自身を除く): 28978380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 128221, 256442, 512884, 1025768, 1666873, 2051536, 3333746, 6667492, 13334984, 26669968]

約数ペア:

[(1, 26669968), (2, 13334984), (4, 6667492), (8, 3333746), (13, 2051536), (16, 1666873), (26, 1025768), (52, 512884), (104, 256442), (208, 128221)]