28889168

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 70709760

約数和(自身を除く): 41820592

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 131, 154, 176, 179, 262, 308, 358, 524, 616, 716, 917, 1048, 1232, 1253, 1432, 1441, 1834, 1969, 2096, 2506, 2864, 2882, 3668, 3938, 5012, 5764, 7336, 7876, 10024, 10087, 11528, 13783, 14672, 15752, 20048, 20174, 23056, 23449, 27566, 31504, 40348, 46898, 55132, 80696, 93796, 110264, 161392, 164143, 187592, 220528, 257939, 328286, 375184, 515878, 656572, 1031756, 1313144, 1805573, 2063512, 2626288, 3611146, 4127024, 7222292, 14444584, 28889168]

約数ペア:

[(1, 28889168), (2, 14444584), (4, 7222292), (7, 4127024), (8, 3611146), (11, 2626288), (14, 2063512), (16, 1805573), (22, 1313144), (28, 1031756), (44, 656572), (56, 515878), (77, 375184), (88, 328286), (112, 257939), (131, 220528), (154, 187592), (176, 164143), (179, 161392), (262, 110264), (308, 93796), (358, 80696), (524, 55132), (616, 46898), (716, 40348), (917, 31504), (1048, 27566), (1232, 23449), (1253, 23056), (1432, 20174), (1441, 20048), (1834, 15752), (1969, 14672), (2096, 13783), (2506, 11528), (2864, 10087), (2882, 10024), (3668, 7876), (3938, 7336), (5012, 5764)]