28133072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 64281600

約数和(自身を除く): 36148528

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 47, 76, 88, 94, 152, 176, 179, 188, 209, 304, 358, 376, 418, 517, 716, 752, 836, 893, 1034, 1432, 1672, 1786, 1969, 2068, 2864, 3344, 3401, 3572, 3938, 4136, 6802, 7144, 7876, 8272, 8413, 9823, 13604, 14288, 15752, 16826, 19646, 27208, 31504, 33652, 37411, 39292, 54416, 67304, 74822, 78584, 92543, 134608, 149644, 157168, 159847, 185086, 299288, 319694, 370172, 598576, 639388, 740344, 1278776, 1480688, 1758317, 2557552, 3516634, 7033268, 14066536, 28133072]

約数ペア:

[(1, 28133072), (2, 14066536), (4, 7033268), (8, 3516634), (11, 2557552), (16, 1758317), (19, 1480688), (22, 1278776), (38, 740344), (44, 639388), (47, 598576), (76, 370172), (88, 319694), (94, 299288), (152, 185086), (176, 159847), (179, 157168), (188, 149644), (209, 134608), (304, 92543), (358, 78584), (376, 74822), (418, 67304), (517, 54416), (716, 39292), (752, 37411), (836, 33652), (893, 31504), (1034, 27208), (1432, 19646), (1672, 16826), (1786, 15752), (1969, 14288), (2068, 13604), (2864, 9823), (3344, 8413), (3401, 8272), (3572, 7876), (3938, 7144), (4136, 6802)]