31664545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 44138880

約数和(自身を除く): 12474335

約数列:

[1, 5, 11, 19, 55, 95, 157, 193, 209, 785, 965, 1045, 1727, 2123, 2983, 3667, 8635, 10615, 14915, 18335, 30301, 32813, 40337, 151505, 164065, 201685, 333311, 575719, 1666555, 2878595, 6332909, 31664545]

約数ペア:

[(1, 31664545), (5, 6332909), (11, 2878595), (19, 1666555), (55, 575719), (95, 333311), (157, 201685), (193, 164065), (209, 151505), (785, 40337), (965, 32813), (1045, 30301), (1727, 18335), (2123, 14915), (2983, 10615), (3667, 8635)]