81136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:480

約数の個数: 20

約数和(自身を含む): 171864

約数和(自身を除く): 90728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 461, 922, 1844, 3688, 5071, 7376, 10142, 20284, 40568, 81136]

約数ペア:

[(1, 81136), (2, 40568), (4, 20284), (8, 10142), (11, 7376), (16, 5071), (22, 3688), (44, 1844), (88, 922), (176, 461)]