40431538

素因数分解:

$2^1\times 7^1\times {\mathrm{1291}}^1\times {\mathrm{2237}}^1$

素因数の和:3537

約数の個数: 16

約数和(自身を含む): 69395904

約数和(自身を除く): 28964366

約数列:

[1, 2, 7, 14, 1291, 2237, 2582, 4474, 9037, 15659, 18074, 31318, 2887967, 5775934, 20215769, 40431538]

約数ペア:

[(1, 40431538), (2, 20215769), (7, 5775934), (14, 2887967), (1291, 31318), (2237, 18074), (2582, 15659), (4474, 9037)]