199955738

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{21017}}^1$

素因数の和:21157

約数の個数: 16

約数和(自身を含む): 308712384

約数和(自身を除く): 108756646

約数列:

[1, 2, 67, 71, 134, 142, 4757, 9514, 21017, 42034, 1408139, 1492207, 2816278, 2984414, 99977869, 199955738]

約数ペア:

[(1, 199955738), (2, 99977869), (67, 2984414), (71, 2816278), (134, 1492207), (142, 1408139), (4757, 42034), (9514, 21017)]