397667037605

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{3990037}}^1$

素因数の和:3990716

約数の個数: 16

約数和(自身を含む): 493360218624

約数和(自身を除く): 95693181019

約数列:

[1, 5, 31, 155, 643, 3215, 19933, 99665, 3990037, 19950185, 123691147, 618455735, 2565593791, 12827968955, 79533407521, 397667037605]

約数ペア:

[(1, 397667037605), (5, 79533407521), (31, 12827968955), (155, 2565593791), (643, 618455735), (3215, 123691147), (19933, 19950185), (99665, 3990037)]