49913890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1949}}^1$

素因数の和:2166

約数の個数: 32

約数和(自身を含む): 97297200

約数和(自身を除く): 47383310

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 197, 394, 985, 1949, 1970, 2561, 3898, 5122, 9745, 12805, 19490, 25337, 25610, 50674, 126685, 253370, 383953, 767906, 1919765, 3839530, 4991389, 9982778, 24956945, 49913890]

約数ペア:

[(1, 49913890), (2, 24956945), (5, 9982778), (10, 4991389), (13, 3839530), (26, 1919765), (65, 767906), (130, 383953), (197, 253370), (394, 126685), (985, 50674), (1949, 25610), (1970, 25337), (2561, 19490), (3898, 12805), (5122, 9745)]