720993361

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{467}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 849139200

約数和(自身を除く): 128145839

約数列:

[1, 11, 19, 83, 89, 209, 467, 913, 979, 1577, 1691, 5137, 7387, 8873, 17347, 18601, 38761, 41563, 81257, 97603, 140353, 426371, 457193, 736459, 789697, 1543883, 3449729, 8101049, 8686667, 37947019, 65544851, 720993361]

約数ペア:

[(1, 720993361), (11, 65544851), (19, 37947019), (83, 8686667), (89, 8101049), (209, 3449729), (467, 1543883), (913, 789697), (979, 736459), (1577, 457193), (1691, 426371), (5137, 140353), (7387, 97603), (8873, 81257), (17347, 41563), (18601, 38761)]