257356729

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{84131}}^1$

素因数の和:84180

約数の個数: 16

約数和(自身を含む): 323066880

約数和(自身を除く): 65710151

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 84131, 588917, 1598489, 1935013, 11189423, 13545091, 36765247, 257356729]

約数ペア:

[(1, 257356729), (7, 36765247), (19, 13545091), (23, 11189423), (133, 1935013), (161, 1598489), (437, 588917), (3059, 84131)]