678487952

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{2494441}}^1$

素因数の和:2494466

約数の個数: 20

約数和(自身を含む): 1391898636

約数和(自身を除く): 713410684

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 2494441, 4988882, 9977764, 19955528, 39911056, 42405497, 84810994, 169621988, 339243976, 678487952]

約数ペア:

[(1, 678487952), (2, 339243976), (4, 169621988), (8, 84810994), (16, 42405497), (17, 39911056), (34, 19955528), (68, 9977764), (136, 4988882), (272, 2494441)]