15400784

素因数分解:

$2^4\times 7^1\times {\mathrm{137507}}^1$

素因数の和:137522

約数の個数: 20

約数和(自身を含む): 34101984

約数和(自身を除く): 18701200

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137507, 275014, 550028, 962549, 1100056, 1925098, 2200112, 3850196, 7700392, 15400784]

約数ペア:

[(1, 15400784), (2, 7700392), (4, 3850196), (7, 2200112), (8, 1925098), (14, 1100056), (16, 962549), (28, 550028), (56, 275014), (112, 137507)]