81292090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{1481}}^1$

素因数の和:1998

約数の個数: 32

約数和(自身を含む): 160056000

約数和(自身を除く): 78763910

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 499, 998, 1481, 2495, 2962, 4990, 5489, 7405, 10978, 14810, 16291, 27445, 32582, 54890, 81455, 162910, 739019, 1478038, 3695095, 7390190, 8129209, 16258418, 40646045, 81292090]

約数ペア:

[(1, 81292090), (2, 40646045), (5, 16258418), (10, 8129209), (11, 7390190), (22, 3695095), (55, 1478038), (110, 739019), (499, 162910), (998, 81455), (1481, 54890), (2495, 32582), (2962, 27445), (4990, 16291), (5489, 14810), (7405, 10978)]