289255538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{1987}}^1$

素因数の和:2522

約数の個数: 32

約数和(自身を含む): 510995520

約数和(自身を除く): 221739982

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 509, 1018, 1987, 3974, 5599, 6617, 11198, 13234, 21857, 25831, 43714, 51662, 72787, 145574, 284141, 568282, 1011383, 2022766, 11125213, 13147979, 22250426, 26295958, 144627769, 289255538]

約数ペア:

[(1, 289255538), (2, 144627769), (11, 26295958), (13, 22250426), (22, 13147979), (26, 11125213), (143, 2022766), (286, 1011383), (509, 568282), (1018, 284141), (1987, 145574), (3974, 72787), (5599, 51662), (6617, 43714), (11198, 25831), (13234, 21857)]