221788672

素因数分解:

$2^9\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3257}}^1$

素因数の和:3301

約数の個数: 80

約数和(自身を含む): 533269440

約数和(自身を除く): 311480768

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 512, 532, 608, 896, 1064, 1216, 1792, 2128, 2432, 3257, 3584, 4256, 4864, 6514, 8512, 9728, 13028, 17024, 22799, 26056, 34048, 45598, 52112, 61883, 68096, 91196, 104224, 123766, 182392, 208448, 247532, 364784, 416896, 433181, 495064, 729568, 833792, 866362, 990128, 1459136, 1667584, 1732724, 1980256, 2918272, 3465448, 3960512, 5836544, 6930896, 7921024, 11673088, 13861792, 15842048, 27723584, 31684096, 55447168, 110894336, 221788672]

約数ペア:

[(1, 221788672), (2, 110894336), (4, 55447168), (7, 31684096), (8, 27723584), (14, 15842048), (16, 13861792), (19, 11673088), (28, 7921024), (32, 6930896), (38, 5836544), (56, 3960512), (64, 3465448), (76, 2918272), (112, 1980256), (128, 1732724), (133, 1667584), (152, 1459136), (224, 990128), (256, 866362), (266, 833792), (304, 729568), (448, 495064), (512, 433181), (532, 416896), (608, 364784), (896, 247532), (1064, 208448), (1216, 182392), (1792, 123766), (2128, 104224), (2432, 91196), (3257, 68096), (3584, 61883), (4256, 52112), (4864, 45598), (6514, 34048), (8512, 26056), (9728, 22799), (13028, 17024)]