248021291

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2221}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 300929904

約数和(自身を除く): 52908613

約数列:

[1, 7, 43, 49, 53, 301, 371, 2107, 2221, 2279, 2597, 15547, 15953, 95503, 108829, 111671, 117713, 668521, 823991, 4679647, 5061659, 5767937, 35431613, 248021291]

約数ペア:

[(1, 248021291), (7, 35431613), (43, 5767937), (49, 5061659), (53, 4679647), (301, 823991), (371, 668521), (2107, 117713), (2221, 111671), (2279, 108829), (2597, 95503), (15547, 15953)]