890243497

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 1123227648

約数和(自身を除く): 232984151

約数列:

[1, 11, 13, 23, 47, 143, 169, 253, 299, 443, 517, 611, 1081, 1859, 3289, 3887, 4873, 5759, 6721, 7943, 10189, 11891, 14053, 20821, 42757, 63349, 74867, 87373, 112079, 132457, 154583, 182689, 229031, 270673, 478883, 823537, 1457027, 1721941, 2009579, 2977403, 3518749, 5267713, 6225479, 18941351, 38706239, 68480269, 80931227, 890243497]

約数ペア:

[(1, 890243497), (11, 80931227), (13, 68480269), (23, 38706239), (47, 18941351), (143, 6225479), (169, 5267713), (253, 3518749), (299, 2977403), (443, 2009579), (517, 1721941), (611, 1457027), (1081, 823537), (1859, 478883), (3289, 270673), (3887, 229031), (4873, 182689), (5759, 154583), (6721, 132457), (7943, 112079), (10189, 87373), (11891, 74867), (14053, 63349), (20821, 42757)]