86971325

素因数分解:

$5^2\times 7^2\times {\mathrm{70997}}^1$

素因数の和:71021

約数の個数: 18

約数和(自身を含む): 125453466

約数和(自身を除く): 38482141

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 70997, 354985, 496979, 1774925, 2484895, 3478853, 12424475, 17394265, 86971325]

約数ペア:

[(1, 86971325), (5, 17394265), (7, 12424475), (25, 3478853), (35, 2484895), (49, 1774925), (175, 496979), (245, 354985), (1225, 70997)]