200721805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1237}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 269547264

約数和(自身を除く): 68825459

約数列:

[1, 5, 17, 23, 83, 85, 115, 391, 415, 1237, 1411, 1909, 1955, 6185, 7055, 9545, 21029, 28451, 32453, 102671, 105145, 142255, 162265, 483667, 513355, 1745407, 2361433, 2418335, 8727035, 11807165, 40144361, 200721805]

約数ペア:

[(1, 200721805), (5, 40144361), (17, 11807165), (23, 8727035), (83, 2418335), (85, 2361433), (115, 1745407), (391, 513355), (415, 483667), (1237, 162265), (1411, 142255), (1909, 105145), (1955, 102671), (6185, 32453), (7055, 28451), (9545, 21029)]