40878978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 96614400

約数和(自身を除く): 55735422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 73, 134, 146, 199, 201, 219, 398, 402, 438, 469, 511, 597, 938, 1022, 1194, 1393, 1407, 1533, 2786, 2814, 3066, 4179, 4891, 8358, 9782, 13333, 14527, 14673, 26666, 29054, 29346, 34237, 39999, 43581, 68474, 79998, 87162, 93331, 101689, 102711, 186662, 203378, 205422, 279993, 305067, 559986, 610134, 973309, 1946618, 2919927, 5839854, 6813163, 13626326, 20439489, 40878978]

約数ペア:

[(1, 40878978), (2, 20439489), (3, 13626326), (6, 6813163), (7, 5839854), (14, 2919927), (21, 1946618), (42, 973309), (67, 610134), (73, 559986), (134, 305067), (146, 279993), (199, 205422), (201, 203378), (219, 186662), (398, 102711), (402, 101689), (438, 93331), (469, 87162), (511, 79998), (597, 68474), (938, 43581), (1022, 39999), (1194, 34237), (1393, 29346), (1407, 29054), (1533, 26666), (2786, 14673), (2814, 14527), (3066, 13333), (4179, 9782), (4891, 8358)]