219971609

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1517

約数の個数: 32

約数和(自身を含む): 275595264

約数和(自身を除く): 55623655

約数列:

[1, 11, 13, 23, 47, 143, 253, 299, 517, 611, 1081, 1423, 3289, 6721, 11891, 14053, 15653, 18499, 32729, 66881, 154583, 203489, 360019, 425477, 735691, 869453, 1538263, 4680247, 9563983, 16920893, 19997419, 219971609]

約数ペア:

[(1, 219971609), (11, 19997419), (13, 16920893), (23, 9563983), (47, 4680247), (143, 1538263), (253, 869453), (299, 735691), (517, 425477), (611, 360019), (1081, 203489), (1423, 154583), (3289, 66881), (6721, 32729), (11891, 18499), (14053, 15653)]