81287024

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55829}}^1$

素因数の和:55857

約数の個数: 40

約数和(自身を含む): 193841760

約数和(自身を除く): 112554736

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 55829, 111658, 223316, 390803, 446632, 725777, 781606, 893264, 1451554, 1563212, 2903108, 3126424, 5080439, 5806216, 6252848, 10160878, 11612432, 20321756, 40643512, 81287024]

約数ペア:

[(1, 81287024), (2, 40643512), (4, 20321756), (7, 11612432), (8, 10160878), (13, 6252848), (14, 5806216), (16, 5080439), (26, 3126424), (28, 2903108), (52, 1563212), (56, 1451554), (91, 893264), (104, 781606), (112, 725777), (182, 446632), (208, 390803), (364, 223316), (728, 111658), (1456, 55829)]