4087825

素因数分解:

$5^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 6106752

約数和(自身を除く): 2018927

約数列:

[1, 5, 7, 25, 35, 47, 49, 71, 175, 235, 245, 329, 355, 497, 1175, 1225, 1645, 1775, 2303, 2485, 3337, 3479, 8225, 11515, 12425, 16685, 17395, 23359, 57575, 83425, 86975, 116795, 163513, 583975, 817565, 4087825]

約数ペア:

[(1, 4087825), (5, 817565), (7, 583975), (25, 163513), (35, 116795), (47, 86975), (49, 83425), (71, 57575), (175, 23359), (235, 17395), (245, 16685), (329, 12425), (355, 11515), (497, 8225), (1175, 3479), (1225, 3337), (1645, 2485), (1775, 2303)]