199983925

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1847}}^1$

素因数の和:1989

約数の個数: 24

約数和(自身を含む): 255733632

約数和(自身を除く): 55749707

約数列:

[1, 5, 25, 61, 71, 305, 355, 1525, 1775, 1847, 4331, 9235, 21655, 46175, 108275, 112667, 131137, 563335, 655685, 2816675, 3278425, 7999357, 39996785, 199983925]

約数ペア:

[(1, 199983925), (5, 39996785), (25, 7999357), (61, 3278425), (71, 2816675), (305, 655685), (355, 563335), (1525, 131137), (1775, 112667), (1847, 108275), (4331, 46175), (9235, 21655)]