213717028

素因数分解:

$2^2\times 7^2\times {\mathrm{487}}^1\times {\mathrm{2239}}^1$

素因数の和:2744

約数の個数: 36

約数和(自身を含む): 436154880

約数和(自身を除く): 222437852

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 487, 974, 1948, 2239, 3409, 4478, 6818, 8956, 13636, 15673, 23863, 31346, 47726, 62692, 95452, 109711, 219422, 438844, 1090393, 2180786, 4361572, 7632751, 15265502, 30531004, 53429257, 106858514, 213717028]

約数ペア:

[(1, 213717028), (2, 106858514), (4, 53429257), (7, 30531004), (14, 15265502), (28, 7632751), (49, 4361572), (98, 2180786), (196, 1090393), (487, 438844), (974, 219422), (1948, 109711), (2239, 95452), (3409, 62692), (4478, 47726), (6818, 31346), (8956, 23863), (13636, 15673)]