49915983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 81285120

約数和(自身を除く): 31369137

約数列:

[1, 3, 13, 19, 31, 39, 41, 53, 57, 93, 123, 159, 247, 403, 533, 589, 689, 741, 779, 1007, 1209, 1271, 1599, 1643, 1767, 2067, 2173, 2337, 3021, 3813, 4929, 6519, 7657, 10127, 13091, 16523, 21359, 22971, 24149, 28249, 30381, 31217, 39273, 41287, 49569, 64077, 67363, 72447, 84747, 93651, 123861, 202089, 313937, 405821, 536731, 875719, 941811, 1217463, 1279897, 1610193, 2627157, 3839691, 16638661, 49915983]

約数ペア:

[(1, 49915983), (3, 16638661), (13, 3839691), (19, 2627157), (31, 1610193), (39, 1279897), (41, 1217463), (53, 941811), (57, 875719), (93, 536731), (123, 405821), (159, 313937), (247, 202089), (403, 123861), (533, 93651), (589, 84747), (689, 72447), (741, 67363), (779, 64077), (1007, 49569), (1209, 41287), (1271, 39273), (1599, 31217), (1643, 30381), (1767, 28249), (2067, 24149), (2173, 22971), (2337, 21359), (3021, 16523), (3813, 13091), (4929, 10127), (6519, 7657)]