31966205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 43110144

約数和(自身を除く): 11143939

約数列:

[1, 5, 17, 23, 83, 85, 115, 197, 391, 415, 985, 1411, 1909, 1955, 3349, 4531, 7055, 9545, 16351, 16745, 22655, 32453, 77027, 81755, 162265, 277967, 376073, 385135, 1389835, 1880365, 6393241, 31966205]

約数ペア:

[(1, 31966205), (5, 6393241), (17, 1880365), (23, 1389835), (83, 385135), (85, 376073), (115, 277967), (197, 162265), (391, 81755), (415, 77027), (985, 32453), (1411, 22655), (1909, 16745), (1955, 16351), (3349, 9545), (4531, 7055)]