87756136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 189000000

約数和(自身を除く): 101243864

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 89, 104, 152, 178, 247, 356, 494, 499, 712, 988, 998, 1157, 1691, 1976, 1996, 2314, 3382, 3992, 4628, 6487, 6764, 9256, 9481, 12974, 13528, 18962, 21983, 25948, 37924, 43966, 44411, 51896, 75848, 87932, 88822, 123253, 175864, 177644, 246506, 355288, 493012, 577343, 843809, 986024, 1154686, 1687618, 2309372, 3375236, 4618744, 6750472, 10969517, 21939034, 43878068, 87756136]

約数ペア:

[(1, 87756136), (2, 43878068), (4, 21939034), (8, 10969517), (13, 6750472), (19, 4618744), (26, 3375236), (38, 2309372), (52, 1687618), (76, 1154686), (89, 986024), (104, 843809), (152, 577343), (178, 493012), (247, 355288), (356, 246506), (494, 177644), (499, 175864), (712, 123253), (988, 88822), (998, 87932), (1157, 75848), (1691, 51896), (1976, 44411), (1996, 43966), (2314, 37924), (3382, 25948), (3992, 21983), (4628, 18962), (6487, 13528), (6764, 12974), (9256, 9481)]