28267218

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{1187}}^1$

素因数の和:1218

約数の個数: 72

約数和(自身を含む): 73945872

約数和(自身を除く): 45678654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 243, 294, 378, 441, 486, 567, 882, 1134, 1187, 1323, 1701, 2374, 2646, 3402, 3561, 3969, 7122, 7938, 8309, 10683, 11907, 16618, 21366, 23814, 24927, 32049, 49854, 58163, 64098, 74781, 96147, 116326, 149562, 174489, 192294, 224343, 288441, 348978, 448686, 523467, 576882, 673029, 1046934, 1346058, 1570401, 2019087, 3140802, 4038174, 4711203, 9422406, 14133609, 28267218]

約数ペア:

[(1, 28267218), (2, 14133609), (3, 9422406), (6, 4711203), (7, 4038174), (9, 3140802), (14, 2019087), (18, 1570401), (21, 1346058), (27, 1046934), (42, 673029), (49, 576882), (54, 523467), (63, 448686), (81, 348978), (98, 288441), (126, 224343), (147, 192294), (162, 174489), (189, 149562), (243, 116326), (294, 96147), (378, 74781), (441, 64098), (486, 58163), (567, 49854), (882, 32049), (1134, 24927), (1187, 23814), (1323, 21366), (1701, 16618), (2374, 11907), (2646, 10683), (3402, 8309), (3561, 7938), (3969, 7122)]