256526413

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 329395248

約数和(自身を除く): 72868835

約数列:

[1, 11, 13, 17, 53, 121, 143, 181, 187, 221, 583, 689, 901, 1573, 1991, 2057, 2353, 2431, 3077, 6413, 7579, 9593, 9911, 11713, 21901, 25883, 26741, 33847, 40001, 83369, 105523, 109021, 124709, 128843, 163081, 284713, 372317, 440011, 1160753, 1371799, 1417273, 1793891, 2120053, 4840121, 15089789, 19732801, 23320583, 256526413]

約数ペア:

[(1, 256526413), (11, 23320583), (13, 19732801), (17, 15089789), (53, 4840121), (121, 2120053), (143, 1793891), (181, 1417273), (187, 1371799), (221, 1160753), (583, 440011), (689, 372317), (901, 284713), (1573, 163081), (1991, 128843), (2057, 124709), (2353, 109021), (2431, 105523), (3077, 83369), (6413, 40001), (7579, 33847), (9593, 26741), (9911, 25883), (11713, 21901)]