990147158

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13367}}^1$

素因数の和:13437

約数の個数: 64

約数和(自身を含む): 2048191488

約数和(自身を除く): 1058044330

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 37, 74, 77, 91, 143, 154, 182, 259, 286, 407, 481, 518, 814, 962, 1001, 2002, 2849, 3367, 5291, 5698, 6734, 10582, 13367, 26734, 37037, 74074, 93569, 147037, 173771, 187138, 294074, 347542, 494579, 989158, 1029259, 1216397, 1911481, 2058518, 2432794, 3462053, 3822962, 5440369, 6429527, 6924106, 10880738, 12859054, 13380367, 26760734, 38082583, 45006689, 70724797, 76165166, 90013378, 141449594, 495073579, 990147158]

約数ペア:

[(1, 990147158), (2, 495073579), (7, 141449594), (11, 90013378), (13, 76165166), (14, 70724797), (22, 45006689), (26, 38082583), (37, 26760734), (74, 13380367), (77, 12859054), (91, 10880738), (143, 6924106), (154, 6429527), (182, 5440369), (259, 3822962), (286, 3462053), (407, 2432794), (481, 2058518), (518, 1911481), (814, 1216397), (962, 1029259), (1001, 989158), (2002, 494579), (2849, 347542), (3367, 294074), (5291, 187138), (5698, 173771), (6734, 147037), (10582, 93569), (13367, 74074), (26734, 37037)]