28084264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 58805460

約数和(自身を除く): 30721196

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 281, 403, 562, 806, 961, 1124, 1612, 1922, 2248, 3224, 3653, 3844, 7306, 7688, 8711, 12493, 14612, 17422, 24986, 29224, 34844, 49972, 69688, 99944, 113243, 226486, 270041, 452972, 540082, 905944, 1080164, 2160328, 3510533, 7021066, 14042132, 28084264]

約数ペア:

[(1, 28084264), (2, 14042132), (4, 7021066), (8, 3510533), (13, 2160328), (26, 1080164), (31, 905944), (52, 540082), (62, 452972), (104, 270041), (124, 226486), (248, 113243), (281, 99944), (403, 69688), (562, 49972), (806, 34844), (961, 29224), (1124, 24986), (1612, 17422), (1922, 14612), (2248, 12493), (3224, 8711), (3653, 7688), (3844, 7306)]