81475996

素因数分解:

$2^2\times 7^1\times {\mathrm{1493}}^1\times {\mathrm{1949}}^1$

素因数の和:3453

約数の個数: 24

約数和(自身を含む): 163144800

約数和(自身を除く): 81668804

約数列:

[1, 2, 4, 7, 14, 28, 1493, 1949, 2986, 3898, 5972, 7796, 10451, 13643, 20902, 27286, 41804, 54572, 2909857, 5819714, 11639428, 20368999, 40737998, 81475996]

約数ペア:

[(1, 81475996), (2, 40737998), (4, 20368999), (7, 11639428), (14, 5819714), (28, 2909857), (1493, 54572), (1949, 41804), (2986, 27286), (3898, 20902), (5972, 13643), (7796, 10451)]