199764008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{4723}}^1$

素因数の和:5057

約数の個数: 32

約数和(自身を含む): 397949760

約数和(自身を除く): 198185752

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 311, 622, 1244, 2488, 4723, 5287, 9446, 10574, 18892, 21148, 37784, 42296, 80291, 160582, 321164, 642328, 1468853, 2937706, 5875412, 11750824, 24970501, 49941002, 99882004, 199764008]

約数ペア:

[(1, 199764008), (2, 99882004), (4, 49941002), (8, 24970501), (17, 11750824), (34, 5875412), (68, 2937706), (136, 1468853), (311, 642328), (622, 321164), (1244, 160582), (2488, 80291), (4723, 42296), (5287, 37784), (9446, 21148), (10574, 18892)]