28787584

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:148

約数の個数: 96

約数和(自身を含む): 69951600

約数和(自身を除く): 41164016

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 89, 112, 128, 133, 152, 178, 224, 266, 304, 356, 361, 448, 532, 608, 623, 712, 722, 896, 1064, 1216, 1246, 1424, 1444, 1691, 2128, 2432, 2492, 2527, 2848, 2888, 3382, 4256, 4984, 5054, 5696, 5776, 6764, 8512, 9968, 10108, 11392, 11552, 11837, 13528, 17024, 19936, 20216, 23104, 23674, 27056, 32129, 39872, 40432, 46208, 47348, 54112, 64258, 79744, 80864, 94696, 108224, 128516, 161728, 189392, 216448, 224903, 257032, 323456, 378784, 449806, 514064, 757568, 899612, 1028128, 1515136, 1799224, 2056256, 3598448, 4112512, 7196896, 14393792, 28787584]

約数ペア:

[(1, 28787584), (2, 14393792), (4, 7196896), (7, 4112512), (8, 3598448), (14, 2056256), (16, 1799224), (19, 1515136), (28, 1028128), (32, 899612), (38, 757568), (56, 514064), (64, 449806), (76, 378784), (89, 323456), (112, 257032), (128, 224903), (133, 216448), (152, 189392), (178, 161728), (224, 128516), (266, 108224), (304, 94696), (356, 80864), (361, 79744), (448, 64258), (532, 54112), (608, 47348), (623, 46208), (712, 40432), (722, 39872), (896, 32129), (1064, 27056), (1216, 23674), (1246, 23104), (1424, 20216), (1444, 19936), (1691, 17024), (2128, 13528), (2432, 11837), (2492, 11552), (2527, 11392), (2848, 10108), (2888, 9968), (3382, 8512), (4256, 6764), (4984, 5776), (5054, 5696)]