390503906

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67961}}^1$

素因数の和:68006

約数の個数: 24

約数和(自身を含む): 671600484

約数和(自身を除く): 281096578

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 5746, 67961, 135922, 883493, 1155337, 1766986, 2310674, 11485409, 15019381, 22970818, 30038762, 195251953, 390503906]

約数ペア:

[(1, 390503906), (2, 195251953), (13, 30038762), (17, 22970818), (26, 15019381), (34, 11485409), (169, 2310674), (221, 1766986), (338, 1155337), (442, 883493), (2873, 135922), (5746, 67961)]