389621648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1873181}}^1$

素因数の和:1873202

約数の個数: 20

約数和(自身を含む): 812960988

約数和(自身を除く): 423339340

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1873181, 3746362, 7492724, 14985448, 24351353, 29970896, 48702706, 97405412, 194810824, 389621648]

約数ペア:

[(1, 389621648), (2, 194810824), (4, 97405412), (8, 48702706), (13, 29970896), (16, 24351353), (26, 14985448), (52, 7492724), (104, 3746362), (208, 1873181)]