207904613

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 258508800

約数和(自身を除く): 50604187

約数列:

[1, 7, 23, 43, 59, 161, 301, 413, 509, 989, 1357, 2537, 3563, 6923, 9499, 11707, 17759, 21887, 30031, 58351, 81949, 153209, 210217, 408457, 503401, 690713, 1291333, 3523807, 4834991, 9039331, 29700659, 207904613]

約数ペア:

[(1, 207904613), (7, 29700659), (23, 9039331), (43, 4834991), (59, 3523807), (161, 1291333), (301, 690713), (413, 503401), (509, 408457), (989, 210217), (1357, 153209), (2537, 81949), (3563, 58351), (6923, 30031), (9499, 21887), (11707, 17759)]