291283406008

素因数分解:

$2^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{37420787}}^1$

素因数の和:37420939

約数の個数: 32

約数和(自身を含む): 628669238400

約数和(自身を除く): 337385832392

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 139, 278, 556, 973, 1112, 1946, 3892, 7784, 37420787, 74841574, 149683148, 261945509, 299366296, 523891018, 1047782036, 2095564072, 5201489393, 10402978786, 20805957572, 36410425751, 41611915144, 72820851502, 145641703004, 291283406008]

約数ペア:

[(1, 291283406008), (2, 145641703004), (4, 72820851502), (7, 41611915144), (8, 36410425751), (14, 20805957572), (28, 10402978786), (56, 5201489393), (139, 2095564072), (278, 1047782036), (556, 523891018), (973, 299366296), (1112, 261945509), (1946, 149683148), (3892, 74841574), (7784, 37420787)]