128883205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 179625600

約数和(自身を除く): 50742395

約数列:

[1, 5, 11, 17, 55, 85, 187, 307, 449, 935, 1535, 2245, 3377, 4939, 5219, 7633, 16885, 24695, 26095, 38165, 57409, 83963, 137843, 287045, 419815, 689215, 1516273, 2343331, 7581365, 11716655, 25776641, 128883205]

約数ペア:

[(1, 128883205), (5, 25776641), (11, 11716655), (17, 7581365), (55, 2343331), (85, 1516273), (187, 689215), (307, 419815), (449, 287045), (935, 137843), (1535, 83963), (2245, 57409), (3377, 38165), (4939, 26095), (5219, 24695), (7633, 16885)]