28847895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 23406825

約数列:

[1, 3, 5, 15, 17, 29, 47, 51, 83, 85, 87, 141, 145, 235, 249, 255, 415, 435, 493, 705, 799, 1245, 1363, 1411, 1479, 2397, 2407, 2465, 3901, 3995, 4089, 4233, 6815, 7055, 7221, 7395, 11703, 11985, 12035, 19505, 20445, 21165, 23171, 36105, 40919, 58515, 66317, 69513, 113129, 115855, 122757, 198951, 204595, 331585, 339387, 347565, 565645, 613785, 994755, 1696935, 1923193, 5769579, 9615965, 28847895]

約数ペア:

[(1, 28847895), (3, 9615965), (5, 5769579), (15, 1923193), (17, 1696935), (29, 994755), (47, 613785), (51, 565645), (83, 347565), (85, 339387), (87, 331585), (141, 204595), (145, 198951), (235, 122757), (249, 115855), (255, 113129), (415, 69513), (435, 66317), (493, 58515), (705, 40919), (799, 36105), (1245, 23171), (1363, 21165), (1411, 20445), (1479, 19505), (2397, 12035), (2407, 11985), (2465, 11703), (3901, 7395), (3995, 7221), (4089, 7055), (4233, 6815)]