30979856

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{27271}}^1$

素因数の和:27350

約数の個数: 20

約数和(自身を含む): 60871104

約数和(自身を除く): 29891248

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 27271, 54542, 109084, 218168, 436336, 1936241, 3872482, 7744964, 15489928, 30979856]

約数ペア:

[(1, 30979856), (2, 15489928), (4, 7744964), (8, 3872482), (16, 1936241), (71, 436336), (142, 218168), (284, 109084), (568, 54542), (1136, 27271)]