56257005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 109578240

約数和(自身を除く): 53321235

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 163, 173, 285, 399, 489, 519, 665, 815, 865, 1141, 1211, 1995, 2445, 2595, 3097, 3287, 3423, 3633, 5705, 6055, 9291, 9861, 15485, 16435, 17115, 18165, 21679, 23009, 28199, 46455, 49305, 65037, 69027, 84597, 108395, 115045, 140995, 197393, 325185, 345135, 422985, 535781, 592179, 986965, 1607343, 2678905, 2960895, 3750467, 8036715, 11251401, 18752335, 56257005]

約数ペア:

[(1, 56257005), (3, 18752335), (5, 11251401), (7, 8036715), (15, 3750467), (19, 2960895), (21, 2678905), (35, 1607343), (57, 986965), (95, 592179), (105, 535781), (133, 422985), (163, 345135), (173, 325185), (285, 197393), (399, 140995), (489, 115045), (519, 108395), (665, 84597), (815, 69027), (865, 65037), (1141, 49305), (1211, 46455), (1995, 28199), (2445, 23009), (2595, 21679), (3097, 18165), (3287, 17115), (3423, 16435), (3633, 15485), (5705, 9861), (6055, 9291)]