40980667

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 53043200

約数和(自身を除く): 12062533

約数列:

[1, 7, 13, 31, 73, 91, 199, 217, 403, 511, 949, 1393, 2263, 2587, 2821, 6169, 6643, 14527, 15841, 18109, 29419, 43183, 80197, 101689, 188851, 205933, 450337, 561379, 1321957, 3152359, 5854381, 40980667]

約数ペア:

[(1, 40980667), (7, 5854381), (13, 3152359), (31, 1321957), (73, 561379), (91, 450337), (199, 205933), (217, 188851), (403, 101689), (511, 80197), (949, 43183), (1393, 29419), (2263, 18109), (2587, 15841), (2821, 14527), (6169, 6643)]