25667408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123401}}^1$

素因数の和:123422

約数の個数: 20

約数和(自身を含む): 53556468

約数和(自身を除く): 27889060

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123401, 246802, 493604, 987208, 1604213, 1974416, 3208426, 6416852, 12833704, 25667408]

約数ペア:

[(1, 25667408), (2, 12833704), (4, 6416852), (8, 3208426), (13, 1974416), (16, 1604213), (26, 987208), (52, 493604), (104, 246802), (208, 123401)]