81714745

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1223}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 118444032

約数和(自身を除く): 36729287

約数列:

[1, 5, 7, 23, 35, 83, 115, 161, 415, 581, 805, 1223, 1909, 2905, 6115, 8561, 9545, 13363, 28129, 42805, 66815, 101509, 140645, 196903, 507545, 710563, 984515, 2334707, 3552815, 11673535, 16342949, 81714745]

約数ペア:

[(1, 81714745), (5, 16342949), (7, 11673535), (23, 3552815), (35, 2334707), (83, 984515), (115, 710563), (161, 507545), (415, 196903), (581, 140645), (805, 101509), (1223, 66815), (1909, 42805), (2905, 28129), (6115, 13363), (8561, 9545)]