2676021968

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{260111}}^1$

素因数の和:260762

約数の個数: 20

約数和(自身を含む): 5192875968

約数和(自身を除く): 2516854000

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 260111, 520222, 1040444, 2080888, 4161776, 167251373, 334502746, 669005492, 1338010984, 2676021968]

約数ペア:

[(1, 2676021968), (2, 1338010984), (4, 669005492), (8, 334502746), (16, 167251373), (643, 4161776), (1286, 2080888), (2572, 1040444), (5144, 520222), (10288, 260111)]