1421656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 2880000

約数和(自身を除く): 1458344

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 199, 376, 398, 796, 893, 1592, 1786, 3572, 3781, 7144, 7562, 9353, 15124, 18706, 30248, 37412, 74824, 177707, 355414, 710828, 1421656]

約数ペア:

[(1, 1421656), (2, 710828), (4, 355414), (8, 177707), (19, 74824), (38, 37412), (47, 30248), (76, 18706), (94, 15124), (152, 9353), (188, 7562), (199, 7144), (376, 3781), (398, 3572), (796, 1786), (893, 1592)]