40668454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{27817}}^1$

素因数の和:27879

約数の個数: 16

約数和(自身を含む): 66095568

約数和(自身を除く): 25427114

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 27817, 55634, 472889, 945778, 1196131, 2392262, 20334227, 40668454]

約数ペア:

[(1, 40668454), (2, 20334227), (17, 2392262), (34, 1196131), (43, 945778), (86, 472889), (731, 55634), (1462, 27817)]