245896805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{1873}}^1$

素因数の和:1938

約数の個数: 48

約数和(自身を含む): 382835712

約数和(自身を除く): 136938907

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 385, 605, 847, 1085, 1705, 1873, 2387, 3751, 4235, 9365, 11935, 13111, 18755, 20603, 26257, 58063, 65555, 103015, 131285, 144221, 226633, 290315, 406441, 638693, 721105, 1133165, 1586431, 2032205, 3193465, 4470851, 7025623, 7932155, 22354255, 35128115, 49179361, 245896805]

約数ペア:

[(1, 245896805), (5, 49179361), (7, 35128115), (11, 22354255), (31, 7932155), (35, 7025623), (55, 4470851), (77, 3193465), (121, 2032205), (155, 1586431), (217, 1133165), (341, 721105), (385, 638693), (605, 406441), (847, 290315), (1085, 226633), (1705, 144221), (1873, 131285), (2387, 103015), (3751, 65555), (4235, 58063), (9365, 26257), (11935, 20603), (13111, 18755)]