66857854

素因数分解:

$2^1\times 7^2\times {\mathrm{643}}^1\times {\mathrm{1061}}^1$

素因数の和:1720

約数の個数: 24

約数和(自身を含む): 116951688

約数和(自身を除く): 50093834

約数列:

[1, 2, 7, 14, 49, 98, 643, 1061, 1286, 2122, 4501, 7427, 9002, 14854, 31507, 51989, 63014, 103978, 682223, 1364446, 4775561, 9551122, 33428927, 66857854]

約数ペア:

[(1, 66857854), (2, 33428927), (7, 9551122), (14, 4775561), (49, 1364446), (98, 682223), (643, 103978), (1061, 63014), (1286, 51989), (2122, 31507), (4501, 14854), (7427, 9002)]