2561776

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 5758560

約数和(自身を除く): 3196784

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 257, 356, 514, 623, 712, 1028, 1246, 1424, 1799, 2056, 2492, 3598, 4112, 4984, 7196, 9968, 14392, 22873, 28784, 45746, 91492, 160111, 182984, 320222, 365968, 640444, 1280888, 2561776]

約数ペア:

[(1, 2561776), (2, 1280888), (4, 640444), (7, 365968), (8, 320222), (14, 182984), (16, 160111), (28, 91492), (56, 45746), (89, 28784), (112, 22873), (178, 14392), (257, 9968), (356, 7196), (514, 4984), (623, 4112), (712, 3598), (1028, 2492), (1246, 2056), (1424, 1799)]