500821490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{19961}}^1$

素因数の和:20174

約数の個数: 32

約数和(自身を含む): 975902256

約数和(自身を除く): 475080766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 193, 386, 965, 1930, 2509, 5018, 12545, 19961, 25090, 39922, 99805, 199610, 259493, 518986, 1297465, 2594930, 3852473, 7704946, 19262365, 38524730, 50082149, 100164298, 250410745, 500821490]

約数ペア:

[(1, 500821490), (2, 250410745), (5, 100164298), (10, 50082149), (13, 38524730), (26, 19262365), (65, 7704946), (130, 3852473), (193, 2594930), (386, 1297465), (965, 518986), (1930, 259493), (2509, 199610), (5018, 99805), (12545, 39922), (19961, 25090)]