216109712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8731}}^1$

素因数の和:8776

約数の個数: 80

約数和(自身を含む): 545715072

約数和(自身を除く): 329605360

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 91, 104, 112, 119, 136, 182, 208, 221, 238, 272, 364, 442, 476, 728, 884, 952, 1456, 1547, 1768, 1904, 3094, 3536, 6188, 8731, 12376, 17462, 24752, 34924, 61117, 69848, 113503, 122234, 139696, 148427, 227006, 244468, 296854, 454012, 488936, 593708, 794521, 908024, 977872, 1038989, 1187416, 1589042, 1816048, 1929551, 2077978, 2374832, 3178084, 3859102, 4155956, 6356168, 7718204, 8311912, 12712336, 13506857, 15436408, 16623824, 27013714, 30872816, 54027428, 108054856, 216109712]

約数ペア:

[(1, 216109712), (2, 108054856), (4, 54027428), (7, 30872816), (8, 27013714), (13, 16623824), (14, 15436408), (16, 13506857), (17, 12712336), (26, 8311912), (28, 7718204), (34, 6356168), (52, 4155956), (56, 3859102), (68, 3178084), (91, 2374832), (104, 2077978), (112, 1929551), (119, 1816048), (136, 1589042), (182, 1187416), (208, 1038989), (221, 977872), (238, 908024), (272, 794521), (364, 593708), (442, 488936), (476, 454012), (728, 296854), (884, 244468), (952, 227006), (1456, 148427), (1547, 139696), (1768, 122234), (1904, 113503), (3094, 69848), (3536, 61117), (6188, 34924), (8731, 24752), (12376, 17462)]