31082009

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 36460800

約数和(自身を除く): 5378791

約数列:

[1, 7, 53, 199, 371, 421, 1393, 2947, 10547, 22313, 73829, 83779, 156191, 586453, 4440287, 31082009]

約数ペア:

[(1, 31082009), (7, 4440287), (53, 586453), (199, 156191), (371, 83779), (421, 73829), (1393, 22313), (2947, 10547)]