72165464

素因数分解:

$2^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 159129600

約数和(自身を除く): 86964136

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 73, 127, 139, 146, 254, 278, 292, 508, 511, 556, 584, 889, 973, 1016, 1022, 1112, 1778, 1946, 2044, 3556, 3892, 4088, 7112, 7784, 9271, 10147, 17653, 18542, 20294, 35306, 37084, 40588, 64897, 70612, 71029, 74168, 81176, 123571, 129794, 141224, 142058, 247142, 259588, 284116, 494284, 519176, 568232, 988568, 1288669, 2577338, 5154676, 9020683, 10309352, 18041366, 36082732, 72165464]

約数ペア:

[(1, 72165464), (2, 36082732), (4, 18041366), (7, 10309352), (8, 9020683), (14, 5154676), (28, 2577338), (56, 1288669), (73, 988568), (127, 568232), (139, 519176), (146, 494284), (254, 284116), (278, 259588), (292, 247142), (508, 142058), (511, 141224), (556, 129794), (584, 123571), (889, 81176), (973, 74168), (1016, 71029), (1022, 70612), (1112, 64897), (1778, 40588), (1946, 37084), (2044, 35306), (3556, 20294), (3892, 18542), (4088, 17653), (7112, 10147), (7784, 9271)]