261293318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{5281}}^1$

素因数の和:5480

約数の個数: 32

約数和(自身を含む): 463210272

約数和(自身を除く): 201916954

約数列:

[1, 2, 11, 13, 22, 26, 143, 173, 286, 346, 1903, 2249, 3806, 4498, 5281, 10562, 24739, 49478, 58091, 68653, 116182, 137306, 755183, 913613, 1510366, 1827226, 10049743, 11876969, 20099486, 23753938, 130646659, 261293318]

約数ペア:

[(1, 261293318), (2, 130646659), (11, 23753938), (13, 20099486), (22, 11876969), (26, 10049743), (143, 1827226), (173, 1510366), (286, 913613), (346, 755183), (1903, 137306), (2249, 116182), (3806, 68653), (4498, 58091), (5281, 49478), (10562, 24739)]