28901033

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:909

約数の個数: 24

約数和(自身を含む): 36388800

約数和(自身を除く): 7487767

約数列:

[1, 7, 19, 37, 49, 133, 259, 703, 839, 931, 1813, 4921, 5873, 15941, 31043, 34447, 41111, 111587, 217301, 589817, 781109, 1521107, 4128719, 28901033]

約数ペア:

[(1, 28901033), (7, 4128719), (19, 1521107), (37, 781109), (49, 589817), (133, 217301), (259, 111587), (703, 41111), (839, 34447), (931, 31043), (1813, 15941), (4921, 5873)]