31376387

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{373}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 36729792

約数和(自身を除く): 5353405

約数列:

[1, 7, 61, 197, 373, 427, 1379, 2611, 12017, 22753, 73481, 84119, 159271, 514367, 4482341, 31376387]

約数ペア:

[(1, 31376387), (7, 4482341), (61, 514367), (197, 159271), (373, 84119), (427, 73481), (1379, 22753), (2611, 12017)]