407694638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 706019328

約数和(自身を除く): 298324690

約数列:

[1, 2, 13, 26, 37, 47, 71, 74, 94, 127, 142, 254, 481, 611, 923, 962, 1222, 1651, 1739, 1846, 2627, 3302, 3337, 3478, 4699, 5254, 5969, 6674, 9017, 9398, 11938, 18034, 22607, 34151, 43381, 45214, 61087, 68302, 77597, 86762, 117221, 122174, 123469, 155194, 220853, 234442, 246938, 333629, 423799, 441706, 667258, 847598, 1605097, 2871089, 3210194, 4337177, 5509387, 5742178, 8674354, 11018774, 15680563, 31361126, 203847319, 407694638]

約数ペア:

[(1, 407694638), (2, 203847319), (13, 31361126), (26, 15680563), (37, 11018774), (47, 8674354), (71, 5742178), (74, 5509387), (94, 4337177), (127, 3210194), (142, 2871089), (254, 1605097), (481, 847598), (611, 667258), (923, 441706), (962, 423799), (1222, 333629), (1651, 246938), (1739, 234442), (1846, 220853), (2627, 155194), (3302, 123469), (3337, 122174), (3478, 117221), (4699, 86762), (5254, 77597), (5969, 68302), (6674, 61087), (9017, 45214), (9398, 43381), (11938, 34151), (18034, 22607)]