28120664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:600

約数の個数: 64

約数和(自身を含む): 63383040

約数和(自身を除く): 35262376

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 47, 52, 88, 94, 104, 143, 188, 286, 376, 517, 523, 572, 611, 1034, 1046, 1144, 1222, 2068, 2092, 2444, 4136, 4184, 4888, 5753, 6721, 6799, 11506, 13442, 13598, 23012, 24581, 26884, 27196, 46024, 49162, 53768, 54392, 74789, 98324, 149578, 196648, 270391, 299156, 319553, 540782, 598312, 639106, 1081564, 1278212, 2163128, 2556424, 3515083, 7030166, 14060332, 28120664]

約数ペア:

[(1, 28120664), (2, 14060332), (4, 7030166), (8, 3515083), (11, 2556424), (13, 2163128), (22, 1278212), (26, 1081564), (44, 639106), (47, 598312), (52, 540782), (88, 319553), (94, 299156), (104, 270391), (143, 196648), (188, 149578), (286, 98324), (376, 74789), (517, 54392), (523, 53768), (572, 49162), (611, 46024), (1034, 27196), (1046, 26884), (1144, 24581), (1222, 23012), (2068, 13598), (2092, 13442), (2444, 11506), (4136, 6799), (4184, 6721), (4888, 5753)]