2783214

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 7296000

約数和(自身を除く): 4512786

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 111, 126, 189, 199, 222, 259, 333, 378, 398, 518, 597, 666, 777, 999, 1194, 1393, 1554, 1791, 1998, 2331, 2786, 3582, 4179, 4662, 5373, 6993, 7363, 8358, 10746, 12537, 13986, 14726, 22089, 25074, 37611, 44178, 51541, 66267, 75222, 103082, 132534, 154623, 198801, 309246, 397602, 463869, 927738, 1391607, 2783214]

約数ペア:

[(1, 2783214), (2, 1391607), (3, 927738), (6, 463869), (7, 397602), (9, 309246), (14, 198801), (18, 154623), (21, 132534), (27, 103082), (37, 75222), (42, 66267), (54, 51541), (63, 44178), (74, 37611), (111, 25074), (126, 22089), (189, 14726), (199, 13986), (222, 12537), (259, 10746), (333, 8358), (378, 7363), (398, 6993), (518, 5373), (597, 4662), (666, 4179), (777, 3582), (999, 2786), (1194, 2331), (1393, 1998), (1554, 1791)]