217810404

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{288109}}^1$

素因数の和:288129

約数の個数: 48

約数和(自身を含む): 645366400

約数和(自身を除く): 427555996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 288109, 576218, 864327, 1152436, 1728654, 2016763, 2592981, 3457308, 4033526, 5185962, 6050289, 7778943, 8067052, 10371924, 12100578, 15557886, 18150867, 24201156, 31115772, 36301734, 54452601, 72603468, 108905202, 217810404]

約数ペア:

[(1, 217810404), (2, 108905202), (3, 72603468), (4, 54452601), (6, 36301734), (7, 31115772), (9, 24201156), (12, 18150867), (14, 15557886), (18, 12100578), (21, 10371924), (27, 8067052), (28, 7778943), (36, 6050289), (42, 5185962), (54, 4033526), (63, 3457308), (84, 2592981), (108, 2016763), (126, 1728654), (189, 1152436), (252, 864327), (378, 576218), (756, 288109)]