12991748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42181}}^1$

素因数の和:42203

約数の個数: 24

約数和(自身を含む): 28346304

約数和(自身を除く): 15354556

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 42181, 84362, 168724, 295267, 463991, 590534, 927982, 1181068, 1855964, 3247937, 6495874, 12991748]

約数ペア:

[(1, 12991748), (2, 6495874), (4, 3247937), (7, 1855964), (11, 1181068), (14, 927982), (22, 590534), (28, 463991), (44, 295267), (77, 168724), (154, 84362), (308, 42181)]