4388825

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 6428160

約数和(自身を除く): 2039335

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 809, 1085, 4045, 5425, 5663, 20225, 25079, 28315, 125395, 141575, 175553, 626975, 877765, 4388825]

約数ペア:

[(1, 4388825), (5, 877765), (7, 626975), (25, 175553), (31, 141575), (35, 125395), (155, 28315), (175, 25079), (217, 20225), (775, 5663), (809, 5425), (1085, 4045)]