289668995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10597}}^1$

素因数の和:10691

約数の個数: 32

約数和(自身を含む): 439520256

約数和(自身を除く): 149851261

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 2485, 3905, 5467, 10597, 27335, 52985, 74179, 116567, 370895, 582835, 752387, 815969, 3761935, 4079845, 5266709, 8276257, 26333545, 41381285, 57933799, 289668995]

約数ペア:

[(1, 289668995), (5, 57933799), (7, 41381285), (11, 26333545), (35, 8276257), (55, 5266709), (71, 4079845), (77, 3761935), (355, 815969), (385, 752387), (497, 582835), (781, 370895), (2485, 116567), (3905, 74179), (5467, 52985), (10597, 27335)]