172399513

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 220739904

約数和(自身を除く): 48340391

約数列:

[1, 11, 13, 23, 43, 53, 143, 253, 299, 473, 529, 559, 583, 689, 989, 1219, 2279, 3289, 5819, 6149, 6877, 7579, 10879, 12857, 13409, 15847, 22747, 25069, 28037, 29627, 52417, 75647, 141427, 174317, 250217, 295711, 308407, 325897, 364481, 576587, 681421, 1205591, 3252821, 4009291, 7495631, 13261501, 15672683, 172399513]

約数ペア:

[(1, 172399513), (11, 15672683), (13, 13261501), (23, 7495631), (43, 4009291), (53, 3252821), (143, 1205591), (253, 681421), (299, 576587), (473, 364481), (529, 325897), (559, 308407), (583, 295711), (689, 250217), (989, 174317), (1219, 141427), (2279, 75647), (3289, 52417), (5819, 29627), (6149, 28037), (6877, 25069), (7579, 22747), (10879, 15847), (12857, 13409)]