639193486322

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{27440263}}^1$

素因数の和:27440897

約数の個数: 16

約数和(自身を含む): 1010899325760

約数和(自身を除く): 371705839438

約数列:

[1, 2, 19, 38, 613, 1226, 11647, 23294, 27440263, 54880526, 521364997, 1042729994, 16820881219, 33641762438, 319596743161, 639193486322]

約数ペア:

[(1, 639193486322), (2, 319596743161), (19, 33641762438), (38, 16820881219), (613, 1042729994), (1226, 521364997), (11647, 54880526), (23294, 27440263)]