25781704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{247901}}^1$

素因数の和:247920

約数の個数: 16

約数和(自身を含む): 52059420

約数和(自身を除く): 26277716

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 247901, 495802, 991604, 1983208, 3222713, 6445426, 12890852, 25781704]

約数ペア:

[(1, 25781704), (2, 12890852), (4, 6445426), (8, 3222713), (13, 1983208), (26, 991604), (52, 495802), (104, 247901)]