31971385

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{659}}^1$

素因数の和:1008

約数の個数: 16

約数和(自身を含む): 39790080

約数和(自身を除く): 7818695

約数列:

[1, 5, 31, 155, 313, 659, 1565, 3295, 9703, 20429, 48515, 102145, 206267, 1031335, 6394277, 31971385]

約数ペア:

[(1, 31971385), (5, 6394277), (31, 1031335), (155, 206267), (313, 102145), (659, 48515), (1565, 20429), (3295, 9703)]