28627984

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1223}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 72852480

約数和(自身を除く): 44224496

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 19, 22, 28, 38, 44, 56, 76, 77, 88, 112, 133, 152, 154, 176, 209, 266, 304, 308, 418, 532, 616, 836, 1064, 1223, 1232, 1463, 1672, 2128, 2446, 2926, 3344, 4892, 5852, 8561, 9784, 11704, 13453, 17122, 19568, 23237, 23408, 26906, 34244, 46474, 53812, 68488, 92948, 94171, 107624, 136976, 162659, 185896, 188342, 215248, 255607, 325318, 371792, 376684, 511214, 650636, 753368, 1022428, 1301272, 1506736, 1789249, 2044856, 2602544, 3578498, 4089712, 7156996, 14313992, 28627984]

約数ペア:

[(1, 28627984), (2, 14313992), (4, 7156996), (7, 4089712), (8, 3578498), (11, 2602544), (14, 2044856), (16, 1789249), (19, 1506736), (22, 1301272), (28, 1022428), (38, 753368), (44, 650636), (56, 511214), (76, 376684), (77, 371792), (88, 325318), (112, 255607), (133, 215248), (152, 188342), (154, 185896), (176, 162659), (209, 136976), (266, 107624), (304, 94171), (308, 92948), (418, 68488), (532, 53812), (616, 46474), (836, 34244), (1064, 26906), (1223, 23408), (1232, 23237), (1463, 19568), (1672, 17122), (2128, 13453), (2446, 11704), (2926, 9784), (3344, 8561), (4892, 5852)]