81778174

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{8887}}^1$

素因数の和:9039

約数の個数: 16

約数和(自身を含む): 126707328

約数和(自身を除く): 44929154

約数列:

[1, 2, 43, 86, 107, 214, 4601, 8887, 9202, 17774, 382141, 764282, 950909, 1901818, 40889087, 81778174]

約数ペア:

[(1, 81778174), (2, 40889087), (43, 1901818), (86, 950909), (107, 764282), (214, 382141), (4601, 17774), (8887, 9202)]