221755464

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{439991}}^1$

素因数の和:440010

約数の個数: 48

約数和(自身を含む): 686387520

約数和(自身を除く): 464632056

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 439991, 879982, 1319973, 1759964, 2639946, 3079937, 3519928, 3959919, 5279892, 6159874, 7919838, 9239811, 10559784, 12319748, 15839676, 18479622, 24639496, 27719433, 31679352, 36959244, 55438866, 73918488, 110877732, 221755464]

約数ペア:

[(1, 221755464), (2, 110877732), (3, 73918488), (4, 55438866), (6, 36959244), (7, 31679352), (8, 27719433), (9, 24639496), (12, 18479622), (14, 15839676), (18, 12319748), (21, 10559784), (24, 9239811), (28, 7919838), (36, 6159874), (42, 5279892), (56, 3959919), (63, 3519928), (72, 3079937), (84, 2639946), (126, 1759964), (168, 1319973), (252, 879982), (504, 439991)]