2065156915

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{309851}}^1$

素因数の和:309930

約数の個数: 16

約数和(自身を含む): 2617629696

約数和(自身を除く): 552472781

約数列:

[1, 5, 31, 43, 155, 215, 1333, 6665, 309851, 1549255, 9605381, 13323593, 48026905, 66617965, 413031383, 2065156915]

約数ペア:

[(1, 2065156915), (5, 413031383), (31, 66617965), (43, 48026905), (155, 13323593), (215, 9605381), (1333, 1549255), (6665, 309851)]