1286336

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 28

約数和(自身を含む): 2590800

約数和(自身を除く): 1304464

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 199, 202, 398, 404, 796, 808, 1592, 1616, 3184, 3232, 6368, 6464, 12736, 20099, 40198, 80396, 160792, 321584, 643168, 1286336]

約数ペア:

[(1, 1286336), (2, 643168), (4, 321584), (8, 160792), (16, 80396), (32, 40198), (64, 20099), (101, 12736), (199, 6464), (202, 6368), (398, 3232), (404, 3184), (796, 1616), (808, 1592)]