12781648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{72623}}^1$

素因数の和:72642

約数の個数: 20

約数和(自身を含む): 27016128

約数和(自身を除く): 14234480

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 72623, 145246, 290492, 580984, 798853, 1161968, 1597706, 3195412, 6390824, 12781648]

約数ペア:

[(1, 12781648), (2, 6390824), (4, 3195412), (8, 1597706), (11, 1161968), (16, 798853), (22, 580984), (44, 290492), (88, 145246), (176, 72623)]