28840028

素因数分解:

$2^2\times 7^2\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:834

約数の個数: 36

約数和(自身を含む): 59036040

約数和(自身を除く): 30196012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 269, 538, 547, 1076, 1094, 1883, 2188, 3766, 3829, 7532, 7658, 13181, 15316, 26362, 26803, 52724, 53606, 107212, 147143, 294286, 588572, 1030001, 2060002, 4120004, 7210007, 14420014, 28840028]

約数ペア:

[(1, 28840028), (2, 14420014), (4, 7210007), (7, 4120004), (14, 2060002), (28, 1030001), (49, 588572), (98, 294286), (196, 147143), (269, 107212), (538, 53606), (547, 52724), (1076, 26803), (1094, 26362), (1883, 15316), (2188, 13181), (3766, 7658), (3829, 7532)]