81665916

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{659}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 199584000

約数和(自身を除く): 117918084

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 449, 659, 898, 1318, 1347, 1796, 1977, 2636, 2694, 3954, 5388, 7908, 10327, 15157, 20654, 30314, 30981, 41308, 45471, 60628, 61962, 90942, 123924, 181884, 295891, 591782, 887673, 1183564, 1775346, 3550692, 6805493, 13610986, 20416479, 27221972, 40832958, 81665916]

約数ペア:

[(1, 81665916), (2, 40832958), (3, 27221972), (4, 20416479), (6, 13610986), (12, 6805493), (23, 3550692), (46, 1775346), (69, 1183564), (92, 887673), (138, 591782), (276, 295891), (449, 181884), (659, 123924), (898, 90942), (1318, 61962), (1347, 60628), (1796, 45471), (1977, 41308), (2636, 30981), (2694, 30314), (3954, 20654), (5388, 15157), (7908, 10327)]