81388168

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{442327}}^1$

素因数の和:442356

約数の個数: 16

約数和(自身を含む): 159238080

約数和(自身を除く): 77849912

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 442327, 884654, 1769308, 3538616, 10173521, 20347042, 40694084, 81388168]

約数ペア:

[(1, 81388168), (2, 40694084), (4, 20347042), (8, 10173521), (23, 3538616), (46, 1769308), (92, 884654), (184, 442327)]