81558712

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:823

約数の個数: 32

約数和(自身を含む): 155533680

約数和(自身を除く): 73974968

約数列:

[1, 2, 4, 8, 101, 193, 202, 386, 404, 523, 772, 808, 1046, 1544, 2092, 4184, 19493, 38986, 52823, 77972, 100939, 105646, 155944, 201878, 211292, 403756, 422584, 807512, 10194839, 20389678, 40779356, 81558712]

約数ペア:

[(1, 81558712), (2, 40779356), (4, 20389678), (8, 10194839), (101, 807512), (193, 422584), (202, 403756), (386, 211292), (404, 201878), (523, 155944), (772, 105646), (808, 100939), (1046, 77972), (1544, 52823), (2092, 38986), (4184, 19493)]