1720784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8273}}^1$

素因数の和:8294

約数の個数: 20

約数和(自身を含む): 3590916

約数和(自身を除く): 1870132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8273, 16546, 33092, 66184, 107549, 132368, 215098, 430196, 860392, 1720784]

約数ペア:

[(1, 1720784), (2, 860392), (4, 430196), (8, 215098), (13, 132368), (16, 107549), (26, 66184), (52, 33092), (104, 16546), (208, 8273)]