39974879

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^2\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 49472640

約数和(自身を除く): 9497761

約数列:

[1, 7, 19, 53, 107, 133, 371, 749, 1007, 2033, 2809, 5671, 7049, 14231, 19663, 39697, 53371, 107749, 300563, 373597, 754243, 2103941, 5710697, 39974879]

約数ペア:

[(1, 39974879), (7, 5710697), (19, 2103941), (53, 754243), (107, 373597), (133, 300563), (371, 107749), (749, 53371), (1007, 39697), (2033, 19663), (2809, 14231), (5671, 7049)]