254865643921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1777}}^1\times {\mathrm{5419}}^1$

素因数の和:7421

約数の個数: 32

約数和(自身を含む): 308376320000

約数和(自身を除く): 53510676079

約数列:

[1, 7, 19, 133, 199, 1393, 1777, 3781, 5419, 12439, 26467, 33763, 37933, 102961, 236341, 353623, 720727, 1078381, 2475361, 6718837, 7548667, 9629563, 20489239, 47031859, 67406941, 143424673, 182961697, 1280731879, 1916283037, 13413981259, 36409377703, 254865643921]

約数ペア:

[(1, 254865643921), (7, 36409377703), (19, 13413981259), (133, 1916283037), (199, 1280731879), (1393, 182961697), (1777, 143424673), (3781, 67406941), (5419, 47031859), (12439, 20489239), (26467, 9629563), (33763, 7548667), (37933, 6718837), (102961, 2475361), (236341, 1078381), (353623, 720727)]