1990609998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{53279}}^1$

素因数の和:53776

約数の個数: 32

約数和(自身を含む): 4296499200

約数和(自身を除く): 2305889202

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 479, 958, 1437, 2874, 6227, 12454, 18681, 37362, 53279, 106558, 159837, 319674, 692627, 1385254, 2077881, 4155762, 25520641, 51041282, 76561923, 153123846, 331768333, 663536666, 995304999, 1990609998]

約数ペア:

[(1, 1990609998), (2, 995304999), (3, 663536666), (6, 331768333), (13, 153123846), (26, 76561923), (39, 51041282), (78, 25520641), (479, 4155762), (958, 2077881), (1437, 1385254), (2874, 692627), (6227, 319674), (12454, 159837), (18681, 106558), (37362, 53279)]