28399945

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 41990400

約数和(自身を除く): 13590455

約数列:

[1, 5, 7, 17, 35, 59, 85, 119, 295, 413, 595, 809, 1003, 2065, 4045, 5015, 5663, 7021, 13753, 28315, 35105, 47731, 68765, 96271, 238655, 334117, 481355, 811427, 1670585, 4057135, 5679989, 28399945]

約数ペア:

[(1, 28399945), (5, 5679989), (7, 4057135), (17, 1670585), (35, 811427), (59, 481355), (85, 334117), (119, 238655), (295, 96271), (413, 68765), (595, 47731), (809, 35105), (1003, 28315), (2065, 13753), (4045, 7021), (5015, 5663)]