389905243

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{12277}}^1$

素因数の和:12646

約数の個数: 16

約数和(自身を含む): 481297600

約数和(自身を除く): 91392357

約数列:

[1, 7, 13, 91, 349, 2443, 4537, 12277, 31759, 85939, 159601, 1117207, 4284673, 29992711, 55700749, 389905243]

約数ペア:

[(1, 389905243), (7, 55700749), (13, 29992711), (91, 4284673), (349, 1117207), (2443, 159601), (4537, 85939), (12277, 31759)]