399451390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3072703}}^1$

素因数の和:3072723

約数の個数: 16

約数和(自身を含む): 774321408

約数和(自身を除く): 374870018

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 3072703, 6145406, 15363515, 30727030, 39945139, 79890278, 199725695, 399451390]

約数ペア:

[(1, 399451390), (2, 199725695), (5, 79890278), (10, 39945139), (13, 30727030), (26, 15363515), (65, 6145406), (130, 3072703)]