71971025

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{17881}}^1$

素因数の和:17921

約数の個数: 24

約数和(自身を含む): 106433664

約数和(自身を除く): 34462639

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 17881, 89405, 125167, 411263, 447025, 625835, 2056315, 2878841, 3129175, 10281575, 14394205, 71971025]

約数ペア:

[(1, 71971025), (5, 14394205), (7, 10281575), (23, 3129175), (25, 2878841), (35, 2056315), (115, 625835), (161, 447025), (175, 411263), (575, 125167), (805, 89405), (4025, 17881)]