1325640784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6373273}}^1$

素因数の和:6373294

約数の個数: 20

約数和(自身を含む): 2766000916

約数和(自身を除く): 1440360132

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6373273, 12746546, 25493092, 50986184, 82852549, 101972368, 165705098, 331410196, 662820392, 1325640784]

約数ペア:

[(1, 1325640784), (2, 662820392), (4, 331410196), (8, 165705098), (13, 101972368), (16, 82852549), (26, 50986184), (52, 25493092), (104, 12746546), (208, 6373273)]