255215135

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1669}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 372263040

約数和(自身を除く): 117047905

約数列:

[1, 5, 7, 17, 35, 85, 119, 257, 595, 1285, 1669, 1799, 4369, 8345, 8995, 11683, 21845, 28373, 30583, 58415, 141865, 152915, 198611, 428933, 993055, 2144665, 3002531, 7291861, 15012655, 36459305, 51043027, 255215135]

約数ペア:

[(1, 255215135), (5, 51043027), (7, 36459305), (17, 15012655), (35, 7291861), (85, 3002531), (119, 2144665), (257, 993055), (595, 428933), (1285, 198611), (1669, 152915), (1799, 141865), (4369, 58415), (8345, 30583), (8995, 28373), (11683, 21845)]