25648688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123311}}^1$

素因数の和:123332

約数の個数: 20

約数和(自身を含む): 53517408

約数和(自身を除く): 27868720

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123311, 246622, 493244, 986488, 1603043, 1972976, 3206086, 6412172, 12824344, 25648688]

約数ペア:

[(1, 25648688), (2, 12824344), (4, 6412172), (8, 3206086), (13, 1972976), (16, 1603043), (26, 986488), (52, 493244), (104, 246622), (208, 123311)]