128429441

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2909}}^1$

素因数の和:2993

約数の個数: 24

約数和(自身を含む): 161225640

約数和(自身を除く): 32796199

約数列:

[1, 7, 17, 49, 53, 119, 371, 833, 901, 2597, 2909, 6307, 20363, 44149, 49453, 142541, 154177, 346171, 1079239, 2423197, 2621009, 7554673, 18347063, 128429441]

約数ペア:

[(1, 128429441), (7, 18347063), (17, 7554673), (49, 2621009), (53, 2423197), (119, 1079239), (371, 346171), (833, 154177), (901, 142541), (2597, 49453), (2909, 44149), (6307, 20363)]