81669128

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2593}}^1$

素因数の和:2757

約数の個数: 32

約数和(自身を含む): 159375360

約数和(自身を除く): 77706232

約数列:

[1, 2, 4, 8, 31, 62, 124, 127, 248, 254, 508, 1016, 2593, 3937, 5186, 7874, 10372, 15748, 20744, 31496, 80383, 160766, 321532, 329311, 643064, 658622, 1317244, 2634488, 10208641, 20417282, 40834564, 81669128]

約数ペア:

[(1, 81669128), (2, 40834564), (4, 20417282), (8, 10208641), (31, 2634488), (62, 1317244), (124, 658622), (127, 643064), (248, 329311), (254, 321532), (508, 160766), (1016, 80383), (2593, 31496), (3937, 20744), (5186, 15748), (7874, 10372)]