28320544

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^2\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 66890880

約数和(自身を除く): 38570336

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 92, 112, 161, 184, 224, 239, 322, 368, 478, 529, 644, 736, 956, 1058, 1288, 1673, 1912, 2116, 2576, 3346, 3703, 3824, 4232, 5152, 5497, 6692, 7406, 7648, 8464, 10994, 13384, 14812, 16928, 21988, 26768, 29624, 38479, 43976, 53536, 59248, 76958, 87952, 118496, 126431, 153916, 175904, 252862, 307832, 505724, 615664, 885017, 1011448, 1231328, 1770034, 2022896, 3540068, 4045792, 7080136, 14160272, 28320544]

約数ペア:

[(1, 28320544), (2, 14160272), (4, 7080136), (7, 4045792), (8, 3540068), (14, 2022896), (16, 1770034), (23, 1231328), (28, 1011448), (32, 885017), (46, 615664), (56, 505724), (92, 307832), (112, 252862), (161, 175904), (184, 153916), (224, 126431), (239, 118496), (322, 87952), (368, 76958), (478, 59248), (529, 53536), (644, 43976), (736, 38479), (956, 29624), (1058, 26768), (1288, 21988), (1673, 16928), (1912, 14812), (2116, 13384), (2576, 10994), (3346, 8464), (3703, 7648), (3824, 7406), (4232, 6692), (5152, 5497)]