66986906

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{78439}}^1$

素因数の和:78509

約数の個数: 16

約数和(自身を含む): 116718720

約数和(自身を除く): 49731814

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 78439, 156878, 549073, 1098146, 4784779, 9569558, 33493453, 66986906]

約数ペア:

[(1, 66986906), (2, 33493453), (7, 9569558), (14, 4784779), (61, 1098146), (122, 549073), (427, 156878), (854, 78439)]