12780518

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{751}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 19636224

約数和(自身を除く): 6855706

約数列:

[1, 2, 67, 127, 134, 254, 751, 1502, 8509, 17018, 50317, 95377, 100634, 190754, 6390259, 12780518]

約数ペア:

[(1, 12780518), (2, 6390259), (67, 190754), (127, 100634), (134, 95377), (254, 50317), (751, 17018), (1502, 8509)]