27887972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 72

約数和(自身を含む): 61447680

約数和(自身を除く): 33559708

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 89, 124, 133, 178, 217, 266, 356, 361, 434, 532, 589, 623, 722, 868, 1178, 1246, 1444, 1691, 2356, 2492, 2527, 2759, 3382, 4123, 5054, 5518, 6764, 8246, 10108, 11036, 11191, 11837, 16492, 19313, 22382, 23674, 32129, 38626, 44764, 47348, 52421, 64258, 77252, 78337, 104842, 128516, 156674, 209684, 224903, 313348, 366947, 449806, 733894, 899612, 995999, 1467788, 1991998, 3983996, 6971993, 13943986, 27887972]

約数ペア:

[(1, 27887972), (2, 13943986), (4, 6971993), (7, 3983996), (14, 1991998), (19, 1467788), (28, 995999), (31, 899612), (38, 733894), (62, 449806), (76, 366947), (89, 313348), (124, 224903), (133, 209684), (178, 156674), (217, 128516), (266, 104842), (356, 78337), (361, 77252), (434, 64258), (532, 52421), (589, 47348), (623, 44764), (722, 38626), (868, 32129), (1178, 23674), (1246, 22382), (1444, 19313), (1691, 16492), (2356, 11837), (2492, 11191), (2527, 11036), (2759, 10108), (3382, 8246), (4123, 6764), (5054, 5518)]