28814995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 39315456

約数和(自身を除く): 10500461

約数列:

[1, 5, 11, 47, 55, 71, 157, 235, 355, 517, 781, 785, 1727, 2585, 3337, 3905, 7379, 8635, 11147, 16685, 36707, 36895, 55735, 81169, 122617, 183535, 405845, 523909, 613085, 2619545, 5762999, 28814995]

約数ペア:

[(1, 28814995), (5, 5762999), (11, 2619545), (47, 613085), (55, 523909), (71, 405845), (157, 183535), (235, 122617), (355, 81169), (517, 55735), (781, 36895), (785, 36707), (1727, 16685), (2585, 11147), (3337, 8635), (3905, 7379)]