199752839

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:815

約数の個数: 32

約数和(自身を含む): 250822656

約数和(自身を除く): 51069817

約数列:

[1, 11, 13, 17, 127, 143, 187, 221, 647, 1397, 1651, 2159, 2431, 7117, 8411, 10999, 18161, 23749, 28067, 82169, 92521, 120989, 142987, 308737, 903859, 1068197, 1396873, 1572857, 11750167, 15365603, 18159349, 199752839]

約数ペア:

[(1, 199752839), (11, 18159349), (13, 15365603), (17, 11750167), (127, 1572857), (143, 1396873), (187, 1068197), (221, 903859), (647, 308737), (1397, 142987), (1651, 120989), (2159, 92521), (2431, 82169), (7117, 28067), (8411, 23749), (10999, 18161)]