40711042

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1\times {\mathrm{409}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 61800120

約数和(自身を除く): 21089078

約数列:

[1, 2, 157, 314, 317, 409, 634, 818, 49769, 64213, 99538, 128426, 129653, 259306, 20355521, 40711042]

約数ペア:

[(1, 40711042), (2, 20355521), (157, 259306), (314, 129653), (317, 128426), (409, 99538), (634, 64213), (818, 49769)]