81136184

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1447}}^1$

素因数の和:1659

約数の個数: 32

約数和(自身を含む): 156731520

約数和(自身を除く): 75595336

約数列:

[1, 2, 4, 8, 43, 86, 163, 172, 326, 344, 652, 1304, 1447, 2894, 5788, 7009, 11576, 14018, 28036, 56072, 62221, 124442, 235861, 248884, 471722, 497768, 943444, 1886888, 10142023, 20284046, 40568092, 81136184]

約数ペア:

[(1, 81136184), (2, 40568092), (4, 20284046), (8, 10142023), (43, 1886888), (86, 943444), (163, 497768), (172, 471722), (326, 248884), (344, 235861), (652, 124442), (1304, 62221), (1447, 56072), (2894, 28036), (5788, 14018), (7009, 11576)]