2108777776

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{990967}}^1$

素因数の和:991001

約数の個数: 40

約数和(自身を含む): 4915201280

約数和(自身を除く): 2806423504

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 990967, 1981934, 3963868, 6936769, 7927736, 13873538, 15855472, 18828373, 27747076, 37656746, 55494152, 75313492, 110988304, 131798611, 150626984, 263597222, 301253968, 527194444, 1054388888, 2108777776]

約数ペア:

[(1, 2108777776), (2, 1054388888), (4, 527194444), (7, 301253968), (8, 263597222), (14, 150626984), (16, 131798611), (19, 110988304), (28, 75313492), (38, 55494152), (56, 37656746), (76, 27747076), (112, 18828373), (133, 15855472), (152, 13873538), (266, 7927736), (304, 6936769), (532, 3963868), (1064, 1981934), (2128, 990967)]