20161425515

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{31873}}^1$

素因数の和:31980

約数の個数: 64

約数和(自身を含む): 31725084672

約数和(自身を除く): 11563659157

約数列:

[1, 5, 7, 11, 31, 35, 53, 55, 77, 155, 217, 265, 341, 371, 385, 583, 1085, 1643, 1705, 1855, 2387, 2915, 4081, 8215, 11501, 11935, 18073, 20405, 31873, 57505, 90365, 126511, 159365, 223111, 350603, 632555, 988063, 1115555, 1689269, 1753015, 2454221, 4940315, 6916441, 8446345, 10868693, 11824883, 12271105, 18581959, 34582205, 52367339, 54343465, 59124415, 76080851, 92909795, 130073713, 261836695, 366571373, 380404255, 576040729, 650368565, 1832856865, 2880203645, 4032285103, 20161425515]

約数ペア:

[(1, 20161425515), (5, 4032285103), (7, 2880203645), (11, 1832856865), (31, 650368565), (35, 576040729), (53, 380404255), (55, 366571373), (77, 261836695), (155, 130073713), (217, 92909795), (265, 76080851), (341, 59124415), (371, 54343465), (385, 52367339), (583, 34582205), (1085, 18581959), (1643, 12271105), (1705, 11824883), (1855, 10868693), (2387, 8446345), (2915, 6916441), (4081, 4940315), (8215, 2454221), (11501, 1753015), (11935, 1689269), (18073, 1115555), (20405, 988063), (31873, 632555), (57505, 350603), (90365, 223111), (126511, 159365)]