31540618

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{1997}}^1$

素因数の和:2201

約数の個数: 16

約数和(自身を含む): 48551400

約数和(自身を除く): 17010782

約数列:

[1, 2, 53, 106, 149, 298, 1997, 3994, 7897, 15794, 105841, 211682, 297553, 595106, 15770309, 31540618]

約数ペア:

[(1, 31540618), (2, 15770309), (53, 595106), (106, 297553), (149, 211682), (298, 105841), (1997, 15794), (3994, 7897)]