209124994

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{4723}}^1$

素因数の和:4882

約数の個数: 24

約数和(自身を含む): 342338832

約数和(自身を除く): 133213838

約数列:

[1, 2, 13, 26, 131, 169, 262, 338, 1703, 3406, 4723, 9446, 22139, 44278, 61399, 122798, 618713, 798187, 1237426, 1596374, 8043269, 16086538, 104562497, 209124994]

約数ペア:

[(1, 209124994), (2, 104562497), (13, 16086538), (26, 8043269), (131, 1596374), (169, 1237426), (262, 798187), (338, 618713), (1703, 122798), (3406, 61399), (4723, 44278), (9446, 22139)]