87564925

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16141}}^1$

素因数の和:16189

約数の個数: 24

約数和(自身を含む): 128102912

約数和(自身を除く): 40537987

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5425, 16141, 80705, 112987, 403525, 500371, 564935, 2501855, 2824675, 3502597, 12509275, 17512985, 87564925]

約数ペア:

[(1, 87564925), (5, 17512985), (7, 12509275), (25, 3502597), (31, 2824675), (35, 2501855), (155, 564935), (175, 500371), (217, 403525), (775, 112987), (1085, 80705), (5425, 16141)]