81306836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53917}}^1$

素因数の和:53963

約数の個数: 24

約数和(自身を含む): 158518920

約数和(自身を除く): 77212084

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 53917, 107834, 215668, 700921, 1401842, 1563593, 2803684, 3127186, 6254372, 20326709, 40653418, 81306836]

約数ペア:

[(1, 81306836), (2, 40653418), (4, 20326709), (13, 6254372), (26, 3127186), (29, 2803684), (52, 1563593), (58, 1401842), (116, 700921), (377, 215668), (754, 107834), (1508, 53917)]