47131315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 73543680

約数和(自身を除く): 26412365

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 217, 341, 359, 385, 605, 847, 1085, 1705, 1795, 2387, 2513, 3751, 3949, 4235, 11129, 11935, 12565, 18755, 19745, 26257, 27643, 43439, 55645, 77903, 122419, 131285, 138215, 217195, 304073, 389515, 612095, 856933, 1346609, 1520365, 4284665, 6733045, 9426263, 47131315]

約数ペア:

[(1, 47131315), (5, 9426263), (7, 6733045), (11, 4284665), (31, 1520365), (35, 1346609), (55, 856933), (77, 612095), (121, 389515), (155, 304073), (217, 217195), (341, 138215), (359, 131285), (385, 122419), (605, 77903), (847, 55645), (1085, 43439), (1705, 27643), (1795, 26257), (2387, 19745), (2513, 18755), (3751, 12565), (3949, 11935), (4235, 11129)]