28821506

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 48

約数和(自身を含む): 53187840

約数和(自身を除く): 24366334

約数列:

[1, 2, 7, 14, 31, 49, 53, 62, 98, 106, 179, 217, 358, 371, 434, 742, 1253, 1519, 1643, 2506, 2597, 3038, 3286, 5194, 5549, 8771, 9487, 11098, 11501, 17542, 18974, 23002, 38843, 66409, 77686, 80507, 132818, 161014, 271901, 294097, 464863, 543802, 588194, 929726, 2058679, 4117358, 14410753, 28821506]

約数ペア:

[(1, 28821506), (2, 14410753), (7, 4117358), (14, 2058679), (31, 929726), (49, 588194), (53, 543802), (62, 464863), (98, 294097), (106, 271901), (179, 161014), (217, 132818), (358, 80507), (371, 77686), (434, 66409), (742, 38843), (1253, 23002), (1519, 18974), (1643, 17542), (2506, 11501), (2597, 11098), (3038, 9487), (3286, 8771), (5194, 5549)]