90210172

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{133447}}^1$

素因数の和:133477

約数の個数: 18

約数和(自身を含む): 170946888

約数和(自身を除く): 80736716

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 133447, 266894, 533788, 1734811, 3469622, 6939244, 22552543, 45105086, 90210172]

約数ペア:

[(1, 90210172), (2, 45105086), (4, 22552543), (13, 6939244), (26, 3469622), (52, 1734811), (169, 533788), (338, 266894), (676, 133447)]