890707916

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{24989}}^1$

素因数の和:25086

約数の個数: 48

約数和(自身を含む): 1903238400

約数和(自身を除く): 1012530484

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 67, 76, 133, 134, 266, 268, 469, 532, 938, 1273, 1876, 2546, 5092, 8911, 17822, 24989, 35644, 49978, 99956, 174923, 349846, 474791, 699692, 949582, 1674263, 1899164, 3323537, 3348526, 6647074, 6697052, 11719841, 13294148, 23439682, 31810997, 46879364, 63621994, 127243988, 222676979, 445353958, 890707916]

約数ペア:

[(1, 890707916), (2, 445353958), (4, 222676979), (7, 127243988), (14, 63621994), (19, 46879364), (28, 31810997), (38, 23439682), (67, 13294148), (76, 11719841), (133, 6697052), (134, 6647074), (266, 3348526), (268, 3323537), (469, 1899164), (532, 1674263), (938, 949582), (1273, 699692), (1876, 474791), (2546, 349846), (5092, 174923), (8911, 99956), (17822, 49978), (24989, 35644)]