28219975

素因数分解:

$5^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 36

約数和(自身を含む): 41420464

約数和(自身を除く): 13200489

約数列:

[1, 5, 7, 25, 35, 47, 73, 175, 235, 329, 365, 511, 1175, 1645, 1825, 2209, 2555, 3431, 8225, 11045, 12775, 15463, 17155, 24017, 55225, 77315, 85775, 120085, 161257, 386575, 600425, 806285, 1128799, 4031425, 5643995, 28219975]

約数ペア:

[(1, 28219975), (5, 5643995), (7, 4031425), (25, 1128799), (35, 806285), (47, 600425), (73, 386575), (175, 161257), (235, 120085), (329, 85775), (365, 77315), (511, 55225), (1175, 24017), (1645, 17155), (1825, 15463), (2209, 12775), (2555, 11045), (3431, 8225)]