81127416

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2116

約数の個数: 64

約数和(自身を含む): 216000000

約数和(自身を除く): 134872584

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 89, 114, 152, 178, 228, 267, 356, 456, 534, 712, 1068, 1691, 1999, 2136, 3382, 3998, 5073, 5997, 6764, 7996, 10146, 11994, 13528, 15992, 20292, 23988, 37981, 40584, 47976, 75962, 113943, 151924, 177911, 227886, 303848, 355822, 455772, 533733, 711644, 911544, 1067466, 1423288, 2134932, 3380309, 4269864, 6760618, 10140927, 13521236, 20281854, 27042472, 40563708, 81127416]

約数ペア:

[(1, 81127416), (2, 40563708), (3, 27042472), (4, 20281854), (6, 13521236), (8, 10140927), (12, 6760618), (19, 4269864), (24, 3380309), (38, 2134932), (57, 1423288), (76, 1067466), (89, 911544), (114, 711644), (152, 533733), (178, 455772), (228, 355822), (267, 303848), (356, 227886), (456, 177911), (534, 151924), (712, 113943), (1068, 75962), (1691, 47976), (1999, 40584), (2136, 37981), (3382, 23988), (3998, 20292), (5073, 15992), (5997, 13528), (6764, 11994), (7996, 10146)]