545128415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 760015872

約数和(自身を除く): 214887457

約数列:

[1, 5, 13, 41, 43, 65, 67, 71, 205, 215, 335, 355, 533, 559, 871, 923, 1763, 2665, 2747, 2795, 2881, 2911, 3053, 4355, 4615, 4757, 8815, 13735, 14405, 14555, 15265, 22919, 23785, 35711, 37453, 37843, 39689, 61841, 114595, 118121, 125173, 178555, 187265, 189215, 195037, 198445, 204551, 309205, 590605, 625865, 975185, 1022755, 1535573, 1627249, 2535481, 2659163, 7677865, 8136245, 8386591, 12677405, 13295815, 41932955, 109025683, 545128415]

約数ペア:

[(1, 545128415), (5, 109025683), (13, 41932955), (41, 13295815), (43, 12677405), (65, 8386591), (67, 8136245), (71, 7677865), (205, 2659163), (215, 2535481), (335, 1627249), (355, 1535573), (533, 1022755), (559, 975185), (871, 625865), (923, 590605), (1763, 309205), (2665, 204551), (2747, 198445), (2795, 195037), (2881, 189215), (2911, 187265), (3053, 178555), (4355, 125173), (4615, 118121), (4757, 114595), (8815, 61841), (13735, 39689), (14405, 37843), (14555, 37453), (15265, 35711), (22919, 23785)]