25647856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123307}}^1$

素因数の和:123328

約数の個数: 20

約数和(自身を含む): 53515672

約数和(自身を除く): 27867816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123307, 246614, 493228, 986456, 1602991, 1972912, 3205982, 6411964, 12823928, 25647856]

約数ペア:

[(1, 25647856), (2, 12823928), (4, 6411964), (8, 3205982), (13, 1972912), (16, 1602991), (26, 986456), (52, 493228), (104, 246614), (208, 123307)]