1281235967

素因数分解:

${\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{293}}^1\times {\mathrm{509}}^1$

素因数の和:895

約数の個数: 24

約数和(自身を含む): 1435825440

約数和(自身を除く): 154589473

約数列:

[1, 11, 71, 121, 293, 509, 781, 3223, 5599, 8591, 20803, 35453, 36139, 61589, 149137, 228833, 397529, 1640507, 2517163, 4372819, 10588727, 18045577, 116475997, 1281235967]

約数ペア:

[(1, 1281235967), (11, 116475997), (71, 18045577), (121, 10588727), (293, 4372819), (509, 2517163), (781, 1640507), (3223, 397529), (5599, 228833), (8591, 149137), (20803, 61589), (35453, 36139)]