399314162

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 693633024

約数和(自身を除く): 294318862

約数列:

[1, 2, 13, 26, 31, 47, 62, 83, 94, 127, 166, 254, 403, 611, 806, 1079, 1222, 1457, 1651, 2158, 2573, 2914, 3302, 3901, 3937, 5146, 5969, 7802, 7874, 10541, 11938, 18941, 21082, 33449, 37882, 50713, 51181, 66898, 77597, 101426, 102362, 120931, 137033, 155194, 185039, 241862, 274066, 326771, 370078, 495427, 653542, 990854, 1572103, 2405507, 3144206, 4248023, 4811014, 6440551, 8496046, 12881102, 15358237, 30716474, 199657081, 399314162]

約数ペア:

[(1, 399314162), (2, 199657081), (13, 30716474), (26, 15358237), (31, 12881102), (47, 8496046), (62, 6440551), (83, 4811014), (94, 4248023), (127, 3144206), (166, 2405507), (254, 1572103), (403, 990854), (611, 653542), (806, 495427), (1079, 370078), (1222, 326771), (1457, 274066), (1651, 241862), (2158, 185039), (2573, 155194), (2914, 137033), (3302, 120931), (3901, 102362), (3937, 101426), (5146, 77597), (5969, 66898), (7802, 51181), (7874, 50713), (10541, 37882), (11938, 33449), (18941, 21082)]