653540090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131497}}^1$

素因数の和:131582

約数の個数: 32

約数和(自身を含む): 1363371264

約数和(自身を除く): 709831174

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 131497, 262994, 657485, 920479, 1314970, 1840958, 4602395, 9204790, 9336287, 18672574, 46681435, 65354009, 93362870, 130708018, 326770045, 653540090]

約数ペア:

[(1, 653540090), (2, 326770045), (5, 130708018), (7, 93362870), (10, 65354009), (14, 46681435), (35, 18672574), (70, 9336287), (71, 9204790), (142, 4602395), (355, 1840958), (497, 1314970), (710, 920479), (994, 657485), (2485, 262994), (4970, 131497)]