81210316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{42923}}^1$

素因数の和:42981

約数の個数: 24

約数和(自身を含む): 158647104

約数和(自身を除く): 77436788

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 42923, 85846, 171692, 472153, 944306, 1845689, 1888612, 3691378, 7382756, 20302579, 40605158, 81210316]

約数ペア:

[(1, 81210316), (2, 40605158), (4, 20302579), (11, 7382756), (22, 3691378), (43, 1888612), (44, 1845689), (86, 944306), (172, 472153), (473, 171692), (946, 85846), (1892, 42923)]