12307988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 14908012

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 449, 623, 898, 979, 1246, 1796, 1958, 2492, 3143, 3916, 4939, 6286, 6853, 9878, 12572, 13706, 19756, 27412, 34573, 39961, 69146, 79922, 138292, 159844, 279727, 439571, 559454, 879142, 1118908, 1758284, 3076997, 6153994, 12307988]

約数ペア:

[(1, 12307988), (2, 6153994), (4, 3076997), (7, 1758284), (11, 1118908), (14, 879142), (22, 559454), (28, 439571), (44, 279727), (77, 159844), (89, 138292), (154, 79922), (178, 69146), (308, 39961), (356, 34573), (449, 27412), (623, 19756), (898, 13706), (979, 12572), (1246, 9878), (1796, 6853), (1958, 6286), (2492, 4939), (3143, 3916)]