28727776

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 43122464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 89, 112, 131, 154, 176, 178, 224, 262, 308, 352, 356, 524, 616, 623, 712, 917, 979, 1048, 1232, 1246, 1424, 1441, 1834, 1958, 2096, 2464, 2492, 2848, 2882, 3668, 3916, 4192, 4984, 5764, 6853, 7336, 7832, 9968, 10087, 11528, 11659, 13706, 14672, 15664, 19936, 20174, 23056, 23318, 27412, 29344, 31328, 40348, 46112, 46636, 54824, 80696, 81613, 93272, 109648, 128249, 161392, 163226, 186544, 219296, 256498, 322784, 326452, 373088, 512996, 652904, 897743, 1025992, 1305808, 1795486, 2051984, 2611616, 3590972, 4103968, 7181944, 14363888, 28727776]

約数ペア:

[(1, 28727776), (2, 14363888), (4, 7181944), (7, 4103968), (8, 3590972), (11, 2611616), (14, 2051984), (16, 1795486), (22, 1305808), (28, 1025992), (32, 897743), (44, 652904), (56, 512996), (77, 373088), (88, 326452), (89, 322784), (112, 256498), (131, 219296), (154, 186544), (176, 163226), (178, 161392), (224, 128249), (262, 109648), (308, 93272), (352, 81613), (356, 80696), (524, 54824), (616, 46636), (623, 46112), (712, 40348), (917, 31328), (979, 29344), (1048, 27412), (1232, 23318), (1246, 23056), (1424, 20174), (1441, 19936), (1834, 15664), (1958, 14672), (2096, 13706), (2464, 11659), (2492, 11528), (2848, 10087), (2882, 9968), (3668, 7832), (3916, 7336), (4192, 6853), (4984, 5764)]