56543221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{1367}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 68290560

約数和(自身を除く): 11747339

約数列:

[1, 7, 19, 133, 311, 1367, 2177, 5909, 9569, 25973, 41363, 181811, 425137, 2975959, 8077603, 56543221]

約数ペア:

[(1, 56543221), (7, 8077603), (19, 2975959), (133, 425137), (311, 181811), (1367, 41363), (2177, 25973), (5909, 9569)]