42378858

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{138493}}^1$

素因数の和:138518

約数の個数: 24

約数和(自身を含む): 97222788

約数和(自身を除く): 54843930

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 138493, 276986, 415479, 830958, 1246437, 2354381, 2492874, 4708762, 7063143, 14126286, 21189429, 42378858]

約数ペア:

[(1, 42378858), (2, 21189429), (3, 14126286), (6, 7063143), (9, 4708762), (17, 2492874), (18, 2354381), (34, 1246437), (51, 830958), (102, 415479), (153, 276986), (306, 138493)]