81915338

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:1069

約数の個数: 16

約数和(自身を含む): 123984000

約数和(自身を除く): 42068662

約数列:

[1, 2, 239, 409, 419, 478, 818, 838, 97751, 100141, 171371, 195502, 200282, 342742, 40957669, 81915338]

約数ペア:

[(1, 81915338), (2, 40957669), (239, 342742), (409, 200282), (419, 195502), (478, 171371), (818, 100141), (838, 97751)]