1380472009

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{18289}}^1$

素因数の和:18600

約数の個数: 16

約数和(自身を含む): 1622396160

約数和(自身を除く): 241924151

約数列:

[1, 7, 41, 263, 287, 1841, 10783, 18289, 75481, 128023, 749849, 4810007, 5248943, 33670049, 197210287, 1380472009]

約数ペア:

[(1, 1380472009), (7, 197210287), (41, 33670049), (263, 5248943), (287, 4810007), (1841, 749849), (10783, 128023), (18289, 75481)]