391554521

素因数分解:

${\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1021}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 412070400

約数和(自身を除く): 20515879

約数列:

[1, 31, 89, 139, 1021, 2759, 4309, 12371, 31651, 90869, 141919, 383501, 2816939, 4399489, 12630791, 391554521]

約数ペア:

[(1, 391554521), (31, 12630791), (89, 4399489), (139, 2816939), (1021, 383501), (2759, 141919), (4309, 90869), (12371, 31651)]