2178014908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1759}}^1$

素因数の和:2050

約数の個数: 48

約数和(自身を含む): 4098124800

約数和(自身を除く): 1920109892

約数列:

[1, 2, 4, 17, 34, 68, 131, 139, 262, 278, 524, 556, 1759, 2227, 2363, 3518, 4454, 4726, 7036, 8908, 9452, 18209, 29903, 36418, 59806, 72836, 119612, 230429, 244501, 309553, 460858, 489002, 619106, 921716, 978004, 1238212, 3917293, 4156517, 7834586, 8313034, 15669172, 16626068, 32029631, 64059262, 128118524, 544503727, 1089007454, 2178014908]

約数ペア:

[(1, 2178014908), (2, 1089007454), (4, 544503727), (17, 128118524), (34, 64059262), (68, 32029631), (131, 16626068), (139, 15669172), (262, 8313034), (278, 7834586), (524, 4156517), (556, 3917293), (1759, 1238212), (2227, 978004), (2363, 921716), (3518, 619106), (4454, 489002), (4726, 460858), (7036, 309553), (8908, 244501), (9452, 230429), (18209, 119612), (29903, 72836), (36418, 59806)]