311399557

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:482

約数の個数: 36

約数和(自身を含む): 397339020

約数和(自身を除く): 85939463

約数列:

[1, 7, 17, 31, 49, 119, 217, 389, 527, 833, 961, 1519, 2723, 3689, 6613, 6727, 12059, 16337, 19061, 25823, 46291, 47089, 84413, 114359, 205003, 324037, 373829, 590891, 800513, 1435021, 2616803, 6355093, 10045147, 18317621, 44485651, 311399557]

約数ペア:

[(1, 311399557), (7, 44485651), (17, 18317621), (31, 10045147), (49, 6355093), (119, 2616803), (217, 1435021), (389, 800513), (527, 590891), (833, 373829), (961, 324037), (1519, 205003), (2723, 114359), (3689, 84413), (6613, 47089), (6727, 46291), (12059, 25823), (16337, 19061)]