39742108

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19991}}^1$

素因数の和:20073

約数の個数: 24

約数和(自身を含む): 80607744

約数和(自身を除く): 40865636

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 19991, 39982, 79964, 139937, 279874, 559748, 1419361, 2838722, 5677444, 9935527, 19871054, 39742108]

約数ペア:

[(1, 39742108), (2, 19871054), (4, 9935527), (7, 5677444), (14, 2838722), (28, 1419361), (71, 559748), (142, 279874), (284, 139937), (497, 79964), (994, 39982), (1988, 19991)]