25686544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123493}}^1$

素因数の和:123514

約数の個数: 20

約数和(自身を含む): 53596396

約数和(自身を除く): 27909852

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123493, 246986, 493972, 987944, 1605409, 1975888, 3210818, 6421636, 12843272, 25686544]

約数ペア:

[(1, 25686544), (2, 12843272), (4, 6421636), (8, 3210818), (13, 1975888), (16, 1605409), (26, 987944), (52, 493972), (104, 246986), (208, 123493)]