81156284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{4001}}^1$

素因数の和:4477

約数の個数: 24

約数和(自身を含む): 155309616

約数和(自身を除く): 74153332

約数列:

[1, 2, 4, 11, 22, 44, 461, 922, 1844, 4001, 5071, 8002, 10142, 16004, 20284, 44011, 88022, 176044, 1844461, 3688922, 7377844, 20289071, 40578142, 81156284]

約数ペア:

[(1, 81156284), (2, 40578142), (4, 20289071), (11, 7377844), (22, 3688922), (44, 1844461), (461, 176044), (922, 88022), (1844, 44011), (4001, 20284), (5071, 16004), (8002, 10142)]