15916418

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 12595582

約数列:

[1, 2, 7, 14, 29, 58, 197, 199, 203, 394, 398, 406, 1379, 1393, 2758, 2786, 5713, 5771, 11426, 11542, 39203, 39991, 40397, 78406, 79982, 80794, 274421, 548842, 1136887, 2273774, 7958209, 15916418]

約数ペア:

[(1, 15916418), (2, 7958209), (7, 2273774), (14, 1136887), (29, 548842), (58, 274421), (197, 80794), (199, 79982), (203, 78406), (394, 40397), (398, 39991), (406, 39203), (1379, 11542), (1393, 11426), (2758, 5771), (2786, 5713)]