12278728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:698

約数の個数: 64

約数和(自身を含む): 29675520

約数和(自身を除く): 17396792

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 31, 44, 56, 62, 77, 88, 124, 154, 217, 248, 308, 341, 434, 616, 643, 682, 868, 1286, 1364, 1736, 2387, 2572, 2728, 4501, 4774, 5144, 7073, 9002, 9548, 14146, 18004, 19096, 19933, 28292, 36008, 39866, 49511, 56584, 79732, 99022, 139531, 159464, 198044, 219263, 279062, 396088, 438526, 558124, 877052, 1116248, 1534841, 1754104, 3069682, 6139364, 12278728]

約数ペア:

[(1, 12278728), (2, 6139364), (4, 3069682), (7, 1754104), (8, 1534841), (11, 1116248), (14, 877052), (22, 558124), (28, 438526), (31, 396088), (44, 279062), (56, 219263), (62, 198044), (77, 159464), (88, 139531), (124, 99022), (154, 79732), (217, 56584), (248, 49511), (308, 39866), (341, 36008), (434, 28292), (616, 19933), (643, 19096), (682, 18004), (868, 14146), (1286, 9548), (1364, 9002), (1736, 7073), (2387, 5144), (2572, 4774), (2728, 4501)]