165728768

素因数分解:

$2^9\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:233

約数の個数: 80

約数和(自身を含む): 346477824

約数和(自身を除く): 180749056

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 71, 94, 97, 128, 142, 188, 194, 256, 284, 376, 388, 512, 568, 752, 776, 1136, 1504, 1552, 2272, 3008, 3104, 3337, 4544, 4559, 6016, 6208, 6674, 6887, 9088, 9118, 12032, 12416, 13348, 13774, 18176, 18236, 24064, 24832, 26696, 27548, 36352, 36472, 49664, 53392, 55096, 72944, 106784, 110192, 145888, 213568, 220384, 291776, 323689, 427136, 440768, 583552, 647378, 854272, 881536, 1167104, 1294756, 1708544, 1763072, 2334208, 2589512, 3526144, 5179024, 10358048, 20716096, 41432192, 82864384, 165728768]

約数ペア:

[(1, 165728768), (2, 82864384), (4, 41432192), (8, 20716096), (16, 10358048), (32, 5179024), (47, 3526144), (64, 2589512), (71, 2334208), (94, 1763072), (97, 1708544), (128, 1294756), (142, 1167104), (188, 881536), (194, 854272), (256, 647378), (284, 583552), (376, 440768), (388, 427136), (512, 323689), (568, 291776), (752, 220384), (776, 213568), (1136, 145888), (1504, 110192), (1552, 106784), (2272, 72944), (3008, 55096), (3104, 53392), (3337, 49664), (4544, 36472), (4559, 36352), (6016, 27548), (6208, 26696), (6674, 24832), (6887, 24064), (9088, 18236), (9118, 18176), (12032, 13774), (12416, 13348)]