28868930

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 53136000

約数和(自身を除く): 24267070

約数列:

[1, 2, 5, 10, 89, 163, 178, 199, 326, 398, 445, 815, 890, 995, 1630, 1990, 14507, 17711, 29014, 32437, 35422, 64874, 72535, 88555, 145070, 162185, 177110, 324370, 2886893, 5773786, 14434465, 28868930]

約数ペア:

[(1, 28868930), (2, 14434465), (5, 5773786), (10, 2886893), (89, 324370), (163, 177110), (178, 162185), (199, 145070), (326, 88555), (398, 72535), (445, 64874), (815, 35422), (890, 32437), (995, 29014), (1630, 17711), (1990, 14507)]