31820759552

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{20357}}^1$

素因数の和:20489

約数の個数: 80

約数和(自身を含む): 65977509312

約数和(自身を除く): 34156749760

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 128, 142, 172, 256, 284, 344, 512, 568, 688, 1136, 1376, 2272, 2752, 3053, 4544, 5504, 6106, 9088, 11008, 12212, 18176, 20357, 22016, 24424, 36352, 40714, 48848, 81428, 97696, 162856, 195392, 325712, 390784, 651424, 781568, 875351, 1302848, 1445347, 1563136, 1750702, 2605696, 2890694, 3501404, 5211392, 5781388, 7002808, 10422784, 11562776, 14005616, 23125552, 28011232, 46251104, 56022464, 62149921, 92502208, 112044928, 124299842, 185004416, 224089856, 248599684, 370008832, 448179712, 497199368, 740017664, 994398736, 1988797472, 3977594944, 7955189888, 15910379776, 31820759552]

約数ペア:

[(1, 31820759552), (2, 15910379776), (4, 7955189888), (8, 3977594944), (16, 1988797472), (32, 994398736), (43, 740017664), (64, 497199368), (71, 448179712), (86, 370008832), (128, 248599684), (142, 224089856), (172, 185004416), (256, 124299842), (284, 112044928), (344, 92502208), (512, 62149921), (568, 56022464), (688, 46251104), (1136, 28011232), (1376, 23125552), (2272, 14005616), (2752, 11562776), (3053, 10422784), (4544, 7002808), (5504, 5781388), (6106, 5211392), (9088, 3501404), (11008, 2890694), (12212, 2605696), (18176, 1750702), (20357, 1563136), (22016, 1445347), (24424, 1302848), (36352, 875351), (40714, 781568), (48848, 651424), (81428, 390784), (97696, 325712), (162856, 195392)]