28840784

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13553}}^1$

素因数の和:13587

約数の個数: 40

約数和(自身を含む): 67227840

約数和(自身を除く): 38387056

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 13553, 27106, 54212, 94871, 108424, 189742, 216848, 257507, 379484, 515014, 758968, 1030028, 1517936, 1802549, 2060056, 3605098, 4120112, 7210196, 14420392, 28840784]

約数ペア:

[(1, 28840784), (2, 14420392), (4, 7210196), (7, 4120112), (8, 3605098), (14, 2060056), (16, 1802549), (19, 1517936), (28, 1030028), (38, 758968), (56, 515014), (76, 379484), (112, 257507), (133, 216848), (152, 189742), (266, 108424), (304, 94871), (532, 54212), (1064, 27106), (2128, 13553)]