248021345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18257}}^1$

素因数の和:18305

約数の個数: 32

約数和(自身を含む): 368081280

約数和(自身を除く): 120059935

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 2717, 13585, 18257, 91285, 200827, 237341, 346883, 1004135, 1186705, 1734415, 2610751, 3815713, 4509479, 13053755, 19078565, 22547395, 49604269, 248021345]

約数ペア:

[(1, 248021345), (5, 49604269), (11, 22547395), (13, 19078565), (19, 13053755), (55, 4509479), (65, 3815713), (95, 2610751), (143, 1734415), (209, 1186705), (247, 1004135), (715, 346883), (1045, 237341), (1235, 200827), (2717, 91285), (13585, 18257)]