134645728

素因数分解:

$2^5\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2064

約数の個数: 72

約数和(自身を含む): 315691992

約数和(自身を除く): 181046264

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, 1204, 1376, 1568, 1997, 2107, 2408, 3994, 4214, 4816, 7988, 8428, 9632, 13979, 15976, 16856, 27958, 31952, 33712, 55916, 63904, 67424, 85871, 97853, 111832, 171742, 195706, 223664, 343484, 391412, 447328, 601097, 686968, 782824, 1202194, 1373936, 1565648, 2404388, 2747872, 3131296, 4207679, 4808776, 8415358, 9617552, 16830716, 19235104, 33661432, 67322864, 134645728]

約数ペア:

[(1, 134645728), (2, 67322864), (4, 33661432), (7, 19235104), (8, 16830716), (14, 9617552), (16, 8415358), (28, 4808776), (32, 4207679), (43, 3131296), (49, 2747872), (56, 2404388), (86, 1565648), (98, 1373936), (112, 1202194), (172, 782824), (196, 686968), (224, 601097), (301, 447328), (344, 391412), (392, 343484), (602, 223664), (688, 195706), (784, 171742), (1204, 111832), (1376, 97853), (1568, 85871), (1997, 67424), (2107, 63904), (2408, 55916), (3994, 33712), (4214, 31952), (4816, 27958), (7988, 16856), (8428, 15976), (9632, 13979)]