2748980521

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1\times {\mathrm{499}}^1$

素因数の和:1069

約数の個数: 32

約数和(自身を含む): 3317760000

約数和(自身を除く): 568779479

約数列:

[1, 7, 31, 53, 217, 371, 479, 499, 1643, 3353, 3493, 11501, 14849, 15469, 25387, 26447, 103943, 108283, 177709, 185129, 239021, 786997, 819857, 1673147, 5508979, 5738999, 7409651, 12668113, 51867557, 88676791, 392711503, 2748980521]

約数ペア:

[(1, 2748980521), (7, 392711503), (31, 88676791), (53, 51867557), (217, 12668113), (371, 7409651), (479, 5738999), (499, 5508979), (1643, 1673147), (3353, 819857), (3493, 786997), (11501, 239021), (14849, 185129), (15469, 177709), (25387, 108283), (26447, 103943)]