27836978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20201}}^1$

素因数の和:20269

約数の個数: 16

約数和(自身を含む): 45818136

約数和(自身を除く): 17981158

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20201, 40402, 262613, 525226, 1070653, 2141306, 13918489, 27836978]

約数ペア:

[(1, 27836978), (2, 13918489), (13, 2141306), (26, 1070653), (53, 525226), (106, 262613), (689, 40402), (1378, 20201)]