28326852

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 75915840

約数和(自身を除く): 47588988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 43, 58, 86, 87, 116, 129, 172, 174, 258, 261, 348, 387, 516, 522, 631, 774, 1044, 1247, 1262, 1548, 1893, 2494, 2524, 3741, 3786, 4988, 5679, 7482, 7572, 11223, 11358, 14964, 18299, 22446, 22716, 27133, 36598, 44892, 54266, 54897, 73196, 81399, 108532, 109794, 162798, 164691, 219588, 244197, 325596, 329382, 488394, 658764, 786857, 976788, 1573714, 2360571, 3147428, 4721142, 7081713, 9442284, 14163426, 28326852]

約数ペア:

[(1, 28326852), (2, 14163426), (3, 9442284), (4, 7081713), (6, 4721142), (9, 3147428), (12, 2360571), (18, 1573714), (29, 976788), (36, 786857), (43, 658764), (58, 488394), (86, 329382), (87, 325596), (116, 244197), (129, 219588), (172, 164691), (174, 162798), (258, 109794), (261, 108532), (348, 81399), (387, 73196), (516, 54897), (522, 54266), (631, 44892), (774, 36598), (1044, 27133), (1247, 22716), (1262, 22446), (1548, 18299), (1893, 14964), (2494, 11358), (2524, 11223), (3741, 7572), (3786, 7482), (4988, 5679)]