209439394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{42073}}^1$

素因数の和:42225

約数の個数: 16

約数和(自身を含む): 333226080

約数和(自身を除く): 123786686

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4978, 42073, 84146, 799387, 1598774, 5511563, 11023126, 104719697, 209439394]

約数ペア:

[(1, 209439394), (2, 104719697), (19, 11023126), (38, 5511563), (131, 1598774), (262, 799387), (2489, 84146), (4978, 42073)]