81497812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{39409}}^1$

素因数の和:39471

約数の個数: 24

約数和(自身を含む): 158901120

約数和(自身を除く): 77403308

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 517, 1034, 2068, 39409, 78818, 157636, 433499, 866998, 1733996, 1852223, 3704446, 7408892, 20374453, 40748906, 81497812]

約数ペア:

[(1, 81497812), (2, 40748906), (4, 20374453), (11, 7408892), (22, 3704446), (44, 1852223), (47, 1733996), (94, 866998), (188, 433499), (517, 157636), (1034, 78818), (2068, 39409)]