389904190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2999263}}^1$

素因数の和:2999283

約数の個数: 16

約数和(自身を含む): 755814528

約数和(自身を除く): 365910338

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2999263, 5998526, 14996315, 29992630, 38990419, 77980838, 194952095, 389904190]

約数ペア:

[(1, 389904190), (2, 194952095), (5, 77980838), (10, 38990419), (13, 29992630), (26, 14996315), (65, 5998526), (130, 2999263)]