221736208

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{3191}}^1$

素因数の和:3343

約数の個数: 40

約数和(自身を含む): 444096576

約数和(自身を除く): 222360368

約数列:

[1, 2, 4, 8, 16, 43, 86, 101, 172, 202, 344, 404, 688, 808, 1616, 3191, 4343, 6382, 8686, 12764, 17372, 25528, 34744, 51056, 69488, 137213, 274426, 322291, 548852, 644582, 1097704, 1289164, 2195408, 2578328, 5156656, 13858513, 27717026, 55434052, 110868104, 221736208]

約数ペア:

[(1, 221736208), (2, 110868104), (4, 55434052), (8, 27717026), (16, 13858513), (43, 5156656), (86, 2578328), (101, 2195408), (172, 1289164), (202, 1097704), (344, 644582), (404, 548852), (688, 322291), (808, 274426), (1616, 137213), (3191, 69488), (4343, 51056), (6382, 34744), (8686, 25528), (12764, 17372)]