28512890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5737}}^1$

素因数の和:5822

約数の個数: 32

約数和(自身を含む): 59491584

約数和(自身を除く): 30978694

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 5737, 11474, 28685, 40159, 57370, 80318, 200795, 401590, 407327, 814654, 2036635, 2851289, 4073270, 5702578, 14256445, 28512890]

約数ペア:

[(1, 28512890), (2, 14256445), (5, 5702578), (7, 4073270), (10, 2851289), (14, 2036635), (35, 814654), (70, 407327), (71, 401590), (142, 200795), (355, 80318), (497, 57370), (710, 40159), (994, 28685), (2485, 11474), (4970, 5737)]