81305104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{267451}}^1$

素因数の和:267478

約数の個数: 20

約数和(自身を含む): 165820240

約数和(自身を除く): 84515136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 267451, 534902, 1069804, 2139608, 4279216, 5081569, 10163138, 20326276, 40652552, 81305104]

約数ペア:

[(1, 81305104), (2, 40652552), (4, 20326276), (8, 10163138), (16, 5081569), (19, 4279216), (38, 2139608), (76, 1069804), (152, 534902), (304, 267451)]