320445424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1540603}}^1$

素因数の和:1540624

約数の個数: 20

約数和(自身を含む): 668622136

約数和(自身を除く): 348176712

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1540603, 3081206, 6162412, 12324824, 20027839, 24649648, 40055678, 80111356, 160222712, 320445424]

約数ペア:

[(1, 320445424), (2, 160222712), (4, 80111356), (8, 40055678), (13, 24649648), (16, 20027839), (26, 12324824), (52, 6162412), (104, 3081206), (208, 1540603)]