42640142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{10487}}^1$

素因数の和:10615

約数の個数: 16

約数和(自身を含む): 67962240

約数和(自身を除く): 25322098

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 10487, 20974, 199253, 398506, 1122109, 2244218, 21320071, 42640142]

約数ペア:

[(1, 42640142), (2, 21320071), (19, 2244218), (38, 1122109), (107, 398506), (214, 199253), (2033, 20974), (4066, 10487)]