81053164

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{56131}}^1$

素因数の和:56173

約数の個数: 18

約数和(自身を含む): 149704044

約数和(自身を除く): 68650880

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 56131, 112262, 224524, 1066489, 2132978, 4265956, 20263291, 40526582, 81053164]

約数ペア:

[(1, 81053164), (2, 40526582), (4, 20263291), (19, 4265956), (38, 2132978), (76, 1066489), (361, 224524), (722, 112262), (1444, 56131)]