278879166

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{120103}}^1$

素因数の和:120157

約数の個数: 32

約数和(自身を含む): 634149120

約数和(自身を除く): 355269954

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 86, 129, 258, 387, 774, 1161, 2322, 120103, 240206, 360309, 720618, 1080927, 2161854, 3242781, 5164429, 6485562, 10328858, 15493287, 30986574, 46479861, 92959722, 139439583, 278879166]

約数ペア:

[(1, 278879166), (2, 139439583), (3, 92959722), (6, 46479861), (9, 30986574), (18, 15493287), (27, 10328858), (43, 6485562), (54, 5164429), (86, 3242781), (129, 2161854), (258, 1080927), (387, 720618), (774, 360309), (1161, 240206), (2322, 120103)]