81740285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 110702592

約数和(自身を除く): 28962307

約数列:

[1, 5, 11, 47, 55, 103, 235, 307, 515, 517, 1133, 1535, 2585, 3377, 4841, 5665, 14429, 16885, 24205, 31621, 53251, 72145, 158105, 158719, 266255, 347831, 793595, 1486187, 1739155, 7430935, 16348057, 81740285]

約数ペア:

[(1, 81740285), (5, 16348057), (11, 7430935), (47, 1739155), (55, 1486187), (103, 793595), (235, 347831), (307, 266255), (515, 158719), (517, 158105), (1133, 72145), (1535, 53251), (2585, 31621), (3377, 24205), (4841, 16885), (5665, 14429)]