25644112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123289}}^1$

素因数の和:123310

約数の個数: 20

約数和(自身を含む): 53507860

約数和(自身を除く): 27863748

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123289, 246578, 493156, 986312, 1602757, 1972624, 3205514, 6411028, 12822056, 25644112]

約数ペア:

[(1, 25644112), (2, 12822056), (4, 6411028), (8, 3205514), (13, 1972624), (16, 1602757), (26, 986312), (52, 493156), (104, 246578), (208, 123289)]