208984945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{74771}}^1$

素因数の和:74832

約数の個数: 16

約数和(自身を含む): 276357312

約数和(自身を除く): 67372367

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 74771, 373855, 972023, 3215153, 4860115, 16075765, 41796989, 208984945]

約数ペア:

[(1, 208984945), (5, 41796989), (13, 16075765), (43, 4860115), (65, 3215153), (215, 972023), (559, 373855), (2795, 74771)]