221649344

素因数分解:

$2^6\times 7^3\times {\mathrm{23}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 112

約数和(自身を含む): 536448000

約数和(自身を除く): 314798656

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 161, 184, 196, 224, 322, 343, 368, 392, 439, 448, 644, 686, 736, 784, 878, 1127, 1288, 1372, 1472, 1568, 1756, 2254, 2576, 2744, 3073, 3136, 3512, 4508, 5152, 5488, 6146, 7024, 7889, 9016, 10097, 10304, 10976, 12292, 14048, 15778, 18032, 20194, 21511, 21952, 24584, 28096, 31556, 36064, 40388, 43022, 49168, 63112, 70679, 72128, 80776, 86044, 98336, 126224, 141358, 150577, 161552, 172088, 196672, 252448, 282716, 301154, 323104, 344176, 494753, 504896, 565432, 602308, 646208, 688352, 989506, 1130864, 1204616, 1376704, 1979012, 2261728, 2409232, 3463271, 3958024, 4523456, 4818464, 6926542, 7916048, 9636928, 13853084, 15832096, 27706168, 31664192, 55412336, 110824672, 221649344]

約数ペア:

[(1, 221649344), (2, 110824672), (4, 55412336), (7, 31664192), (8, 27706168), (14, 15832096), (16, 13853084), (23, 9636928), (28, 7916048), (32, 6926542), (46, 4818464), (49, 4523456), (56, 3958024), (64, 3463271), (92, 2409232), (98, 2261728), (112, 1979012), (161, 1376704), (184, 1204616), (196, 1130864), (224, 989506), (322, 688352), (343, 646208), (368, 602308), (392, 565432), (439, 504896), (448, 494753), (644, 344176), (686, 323104), (736, 301154), (784, 282716), (878, 252448), (1127, 196672), (1288, 172088), (1372, 161552), (1472, 150577), (1568, 141358), (1756, 126224), (2254, 98336), (2576, 86044), (2744, 80776), (3073, 72128), (3136, 70679), (3512, 63112), (4508, 49168), (5152, 43022), (5488, 40388), (6146, 36064), (7024, 31556), (7889, 28096), (9016, 24584), (10097, 21952), (10304, 21511), (10976, 20194), (12292, 18032), (14048, 15778)]