721989983

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 940584960

約数和(自身を除く): 218594977

約数列:

[1, 11, 13, 17, 47, 71, 89, 143, 187, 221, 517, 611, 781, 799, 923, 979, 1157, 1207, 1513, 2431, 3337, 4183, 6319, 6721, 8789, 10153, 10387, 12727, 13277, 15691, 16643, 19669, 36707, 43381, 46013, 54379, 56729, 69509, 71111, 82147, 107423, 114257, 172601, 216359, 296993, 477191, 598169, 624019, 737477, 782221, 903617, 924443, 1181653, 1396499, 3266923, 3860909, 5048881, 8112247, 10168873, 15361489, 42469999, 55537691, 65635453, 721989983]

約数ペア:

[(1, 721989983), (11, 65635453), (13, 55537691), (17, 42469999), (47, 15361489), (71, 10168873), (89, 8112247), (143, 5048881), (187, 3860909), (221, 3266923), (517, 1396499), (611, 1181653), (781, 924443), (799, 903617), (923, 782221), (979, 737477), (1157, 624019), (1207, 598169), (1513, 477191), (2431, 296993), (3337, 216359), (4183, 172601), (6319, 114257), (6721, 107423), (8789, 82147), (10153, 71111), (10387, 69509), (12727, 56729), (13277, 54379), (15691, 46013), (16643, 43381), (19669, 36707)]