26640848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{487}}^1$

素因数の和:771

約数の個数: 40

約数和(自身を含む): 55913088

約数和(自身を除く): 29272240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 263, 487, 526, 974, 1052, 1948, 2104, 3419, 3896, 4208, 6331, 6838, 7792, 12662, 13676, 25324, 27352, 50648, 54704, 101296, 128081, 256162, 512324, 1024648, 1665053, 2049296, 3330106, 6660212, 13320424, 26640848]

約数ペア:

[(1, 26640848), (2, 13320424), (4, 6660212), (8, 3330106), (13, 2049296), (16, 1665053), (26, 1024648), (52, 512324), (104, 256162), (208, 128081), (263, 101296), (487, 54704), (526, 50648), (974, 27352), (1052, 25324), (1948, 13676), (2104, 12662), (3419, 7792), (3896, 6838), (4208, 6331)]