26563888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{127711}}^1$

素因数の和:127732

約数の個数: 20

約数和(自身を含む): 55427008

約数和(自身を除く): 28863120

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 127711, 255422, 510844, 1021688, 1660243, 2043376, 3320486, 6640972, 13281944, 26563888]

約数ペア:

[(1, 26563888), (2, 13281944), (4, 6640972), (8, 3320486), (13, 2043376), (16, 1660243), (26, 1021688), (52, 510844), (104, 255422), (208, 127711)]