268240310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{3209}}^1$

素因数の和:3872

約数の個数: 32

約数和(自身を含む): 520944480

約数和(自身を除く): 252704170

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 643, 1286, 3209, 3215, 6418, 6430, 8359, 16045, 16718, 32090, 41717, 41795, 83434, 83590, 208585, 417170, 2063387, 4126774, 10316935, 20633870, 26824031, 53648062, 134120155, 268240310]

約数ペア:

[(1, 268240310), (2, 134120155), (5, 53648062), (10, 26824031), (13, 20633870), (26, 10316935), (65, 4126774), (130, 2063387), (643, 417170), (1286, 208585), (3209, 83590), (3215, 83434), (6418, 41795), (6430, 41717), (8359, 32090), (16045, 16718)]