64026905

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 77932800

約数和(自身を除く): 13905895

約数列:

[1, 5, 131, 239, 409, 655, 1195, 2045, 31309, 53579, 97751, 156545, 267895, 488755, 12805381, 64026905]

約数ペア:

[(1, 64026905), (5, 12805381), (131, 488755), (239, 267895), (409, 156545), (655, 97751), (1195, 53579), (2045, 31309)]