87987025

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12263}}^1$

素因数の和:12321

約数の個数: 24

約数和(自身を含む): 127741824

約数和(自身を除く): 39754799

約数列:

[1, 5, 7, 25, 35, 41, 175, 205, 287, 1025, 1435, 7175, 12263, 61315, 85841, 306575, 429205, 502783, 2146025, 2513915, 3519481, 12569575, 17597405, 87987025]

約数ペア:

[(1, 87987025), (5, 17597405), (7, 12569575), (25, 3519481), (35, 2513915), (41, 2146025), (175, 502783), (205, 429205), (287, 306575), (1025, 85841), (1435, 61315), (7175, 12263)]