81655168

素因数分解:

$2^7\times 7^2\times {\mathrm{47}}^1\times {\mathrm{277}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 193955040

約数和(自身を除く): 112299872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 49, 56, 64, 94, 98, 112, 128, 188, 196, 224, 277, 329, 376, 392, 448, 554, 658, 752, 784, 896, 1108, 1316, 1504, 1568, 1939, 2216, 2303, 2632, 3008, 3136, 3878, 4432, 4606, 5264, 6016, 6272, 7756, 8864, 9212, 10528, 13019, 13573, 15512, 17728, 18424, 21056, 26038, 27146, 31024, 35456, 36848, 42112, 52076, 54292, 62048, 73696, 91133, 104152, 108584, 124096, 147392, 182266, 208304, 217168, 248192, 294784, 364532, 416608, 434336, 637931, 729064, 833216, 868672, 1275862, 1458128, 1666432, 1737344, 2551724, 2916256, 5103448, 5832512, 10206896, 11665024, 20413792, 40827584, 81655168]

約数ペア:

[(1, 81655168), (2, 40827584), (4, 20413792), (7, 11665024), (8, 10206896), (14, 5832512), (16, 5103448), (28, 2916256), (32, 2551724), (47, 1737344), (49, 1666432), (56, 1458128), (64, 1275862), (94, 868672), (98, 833216), (112, 729064), (128, 637931), (188, 434336), (196, 416608), (224, 364532), (277, 294784), (329, 248192), (376, 217168), (392, 208304), (448, 182266), (554, 147392), (658, 124096), (752, 108584), (784, 104152), (896, 91133), (1108, 73696), (1316, 62048), (1504, 54292), (1568, 52076), (1939, 42112), (2216, 36848), (2303, 35456), (2632, 31024), (3008, 27146), (3136, 26038), (3878, 21056), (4432, 18424), (4606, 17728), (5264, 15512), (6016, 13573), (6272, 13019), (7756, 10528), (8864, 9212)]