2557664

素因数分解:

$2^5\times {\mathrm{257}}^1\times {\mathrm{311}}^1$

素因数の和:578

約数の個数: 24

約数和(自身を含む): 5071248

約数和(自身を除く): 2513584

約数列:

[1, 2, 4, 8, 16, 32, 257, 311, 514, 622, 1028, 1244, 2056, 2488, 4112, 4976, 8224, 9952, 79927, 159854, 319708, 639416, 1278832, 2557664]

約数ペア:

[(1, 2557664), (2, 1278832), (4, 639416), (8, 319708), (16, 159854), (32, 79927), (257, 9952), (311, 8224), (514, 4976), (622, 4112), (1028, 2488), (1244, 2056)]