67221728

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1064

約数の個数: 72

約数和(自身を含む): 157687992

約数和(自身を除く): 90466264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 49, 56, 86, 98, 112, 172, 196, 224, 301, 344, 392, 602, 688, 784, 997, 1204, 1376, 1568, 1994, 2107, 2408, 3988, 4214, 4816, 6979, 7976, 8428, 9632, 13958, 15952, 16856, 27916, 31904, 33712, 42871, 48853, 55832, 67424, 85742, 97706, 111664, 171484, 195412, 223328, 300097, 342968, 390824, 600194, 685936, 781648, 1200388, 1371872, 1563296, 2100679, 2400776, 4201358, 4801552, 8402716, 9603104, 16805432, 33610864, 67221728]

約数ペア:

[(1, 67221728), (2, 33610864), (4, 16805432), (7, 9603104), (8, 8402716), (14, 4801552), (16, 4201358), (28, 2400776), (32, 2100679), (43, 1563296), (49, 1371872), (56, 1200388), (86, 781648), (98, 685936), (112, 600194), (172, 390824), (196, 342968), (224, 300097), (301, 223328), (344, 195412), (392, 171484), (602, 111664), (688, 97706), (784, 85742), (997, 67424), (1204, 55832), (1376, 48853), (1568, 42871), (1994, 33712), (2107, 31904), (2408, 27916), (3988, 16856), (4214, 15952), (4816, 13958), (6979, 9632), (7976, 8428)]