13128472

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 28994760

約数和(自身を除く): 15866288

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 313, 392, 428, 626, 749, 856, 1252, 1498, 2191, 2504, 2996, 4382, 5243, 5992, 8764, 10486, 15337, 17528, 20972, 30674, 33491, 41944, 61348, 66982, 122696, 133964, 234437, 267928, 468874, 937748, 1641059, 1875496, 3282118, 6564236, 13128472]

約数ペア:

[(1, 13128472), (2, 6564236), (4, 3282118), (7, 1875496), (8, 1641059), (14, 937748), (28, 468874), (49, 267928), (56, 234437), (98, 133964), (107, 122696), (196, 66982), (214, 61348), (313, 41944), (392, 33491), (428, 30674), (626, 20972), (749, 17528), (856, 15337), (1252, 10486), (1498, 8764), (2191, 5992), (2504, 5243), (2996, 4382)]