28658707

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1031}}^1$

素因数の和:1087

約数の個数: 24

約数和(自身を含む): 37746432

約数和(自身を除く): 9087725

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 1031, 1463, 2527, 3971, 7217, 11341, 19589, 27797, 79387, 137123, 215479, 372191, 1508353, 2605337, 4094101, 28658707]

約数ペア:

[(1, 28658707), (7, 4094101), (11, 2605337), (19, 1508353), (77, 372191), (133, 215479), (209, 137123), (361, 79387), (1031, 27797), (1463, 19589), (2527, 11341), (3971, 7217)]