81360728

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{248051}}^1$

素因数の和:248098

約数の個数: 16

約数和(自身を含む): 156272760

約数和(自身を除く): 74912032

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 248051, 496102, 992204, 1984408, 10170091, 20340182, 40680364, 81360728]

約数ペア:

[(1, 81360728), (2, 40680364), (4, 20340182), (8, 10170091), (41, 1984408), (82, 992204), (164, 496102), (328, 248051)]