687148

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 1580544

約数和(自身を除く): 893396

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 97, 154, 161, 194, 253, 308, 322, 388, 506, 644, 679, 1012, 1067, 1358, 1771, 2134, 2231, 2716, 3542, 4268, 4462, 7084, 7469, 8924, 14938, 15617, 24541, 29876, 31234, 49082, 62468, 98164, 171787, 343574, 687148]

約数ペア:

[(1, 687148), (2, 343574), (4, 171787), (7, 98164), (11, 62468), (14, 49082), (22, 31234), (23, 29876), (28, 24541), (44, 15617), (46, 14938), (77, 8924), (92, 7469), (97, 7084), (154, 4462), (161, 4268), (194, 3542), (253, 2716), (308, 2231), (322, 2134), (388, 1771), (506, 1358), (644, 1067), (679, 1012)]