81333736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6203}}^1$

素因数の和:6369

約数の個数: 32

約数和(自身を含む): 167508000

約数和(自身を除く): 86174264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 149, 298, 596, 1192, 1639, 3278, 6203, 6556, 12406, 13112, 24812, 49624, 68233, 136466, 272932, 545864, 924247, 1848494, 3696988, 7393976, 10166717, 20333434, 40666868, 81333736]

約数ペア:

[(1, 81333736), (2, 40666868), (4, 20333434), (8, 10166717), (11, 7393976), (22, 3696988), (44, 1848494), (88, 924247), (149, 545864), (298, 272932), (596, 136466), (1192, 68233), (1639, 49624), (3278, 24812), (6203, 13112), (6556, 12406)]