28236978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6791}}^1$

素因数の和:6820

約数の個数: 64

約数和(自身を含む): 78243840

約数和(自身を除く): 50006862

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 99, 126, 154, 189, 198, 231, 297, 378, 462, 594, 693, 1386, 2079, 4158, 6791, 13582, 20373, 40746, 47537, 61119, 74701, 95074, 122238, 142611, 149402, 183357, 224103, 285222, 366714, 427833, 448206, 522907, 672309, 855666, 1045814, 1283499, 1344618, 1568721, 2016927, 2566998, 3137442, 4033854, 4706163, 9412326, 14118489, 28236978]

約数ペア:

[(1, 28236978), (2, 14118489), (3, 9412326), (6, 4706163), (7, 4033854), (9, 3137442), (11, 2566998), (14, 2016927), (18, 1568721), (21, 1344618), (22, 1283499), (27, 1045814), (33, 855666), (42, 672309), (54, 522907), (63, 448206), (66, 427833), (77, 366714), (99, 285222), (126, 224103), (154, 183357), (189, 149402), (198, 142611), (231, 122238), (297, 95074), (378, 74701), (462, 61119), (594, 47537), (693, 40746), (1386, 20373), (2079, 13582), (4158, 6791)]