290081636

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{21211}}^1$

素因数の和:21491

約数の個数: 24

約数和(自身を含む): 548796864

約数和(自身を除く): 258715228

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 3419, 6838, 13676, 21211, 42422, 84844, 275743, 551486, 1102972, 5578493, 11156986, 22313972, 72520409, 145040818, 290081636]

約数ペア:

[(1, 290081636), (2, 145040818), (4, 72520409), (13, 22313972), (26, 11156986), (52, 5578493), (263, 1102972), (526, 551486), (1052, 275743), (3419, 84844), (6838, 42422), (13676, 21211)]