78016664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1283}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 159935040

約数和(自身を除く): 81918376

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 691, 1283, 1382, 2566, 2764, 5132, 5528, 7601, 10264, 14113, 15202, 28226, 30404, 56452, 60808, 112904, 886553, 1773106, 3546212, 7092424, 9752083, 19504166, 39008332, 78016664]

約数ペア:

[(1, 78016664), (2, 39008332), (4, 19504166), (8, 9752083), (11, 7092424), (22, 3546212), (44, 1773106), (88, 886553), (691, 112904), (1283, 60808), (1382, 56452), (2566, 30404), (2764, 28226), (5132, 15202), (5528, 14113), (7601, 10264)]