28195573

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1\times {\mathrm{331}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 33189376

約数和(自身を除く): 4993803

約数列:

[1, 7, 43, 283, 301, 331, 1981, 2317, 12169, 14233, 85183, 93673, 99631, 655711, 4027939, 28195573]

約数ペア:

[(1, 28195573), (7, 4027939), (43, 655711), (283, 99631), (301, 93673), (331, 85183), (1981, 14233), (2317, 12169)]