81642564

素因数分解:

$2^2\times 3^2\times {\mathrm{263}}^1\times {\mathrm{8623}}^1$

素因数の和:8896

約数の個数: 36

約数和(自身を含む): 207182976

約数和(自身を除く): 125540412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 263, 526, 789, 1052, 1578, 2367, 3156, 4734, 8623, 9468, 17246, 25869, 34492, 51738, 77607, 103476, 155214, 310428, 2267849, 4535698, 6803547, 9071396, 13607094, 20410641, 27214188, 40821282, 81642564]

約数ペア:

[(1, 81642564), (2, 40821282), (3, 27214188), (4, 20410641), (6, 13607094), (9, 9071396), (12, 6803547), (18, 4535698), (36, 2267849), (263, 310428), (526, 155214), (789, 103476), (1052, 77607), (1578, 51738), (2367, 34492), (3156, 25869), (4734, 17246), (8623, 9468)]