1317988

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{457}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 2667392

約数和(自身を除く): 1349404

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 457, 721, 914, 1442, 1828, 2884, 3199, 6398, 12796, 47071, 94142, 188284, 329497, 658994, 1317988]

約数ペア:

[(1, 1317988), (2, 658994), (4, 329497), (7, 188284), (14, 94142), (28, 47071), (103, 12796), (206, 6398), (412, 3199), (457, 2884), (721, 1828), (914, 1442)]