278680304

素因数分解:

$2^4\times 7^1\times {\mathrm{2488217}}^1$

素因数の和:2488232

約数の個数: 20

約数和(自身を含む): 617078064

約数和(自身を除く): 338397760

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2488217, 4976434, 9952868, 17417519, 19905736, 34835038, 39811472, 69670076, 139340152, 278680304]

約数ペア:

[(1, 278680304), (2, 139340152), (4, 69670076), (7, 39811472), (8, 34835038), (14, 19905736), (16, 17417519), (28, 9952868), (56, 4976434), (112, 2488217)]