28637728

素因数分解:

$2^5\times 7^1\times {\mathrm{173}}^1\times {\mathrm{739}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 64895040

約数和(自身を除く): 36257312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 173, 224, 346, 692, 739, 1211, 1384, 1478, 2422, 2768, 2956, 4844, 5173, 5536, 5912, 9688, 10346, 11824, 19376, 20692, 23648, 38752, 41384, 82768, 127847, 165536, 255694, 511388, 894929, 1022776, 1789858, 2045552, 3579716, 4091104, 7159432, 14318864, 28637728]

約数ペア:

[(1, 28637728), (2, 14318864), (4, 7159432), (7, 4091104), (8, 3579716), (14, 2045552), (16, 1789858), (28, 1022776), (32, 894929), (56, 511388), (112, 255694), (173, 165536), (224, 127847), (346, 82768), (692, 41384), (739, 38752), (1211, 23648), (1384, 20692), (1478, 19376), (2422, 11824), (2768, 10346), (2956, 9688), (4844, 5912), (5173, 5536)]