51493585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72019}}^1$

素因数の和:72048

約数の個数: 16

約数和(自身を含む): 72596160

約数和(自身を除く): 21102575

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 72019, 360095, 792209, 936247, 3961045, 4681235, 10298717, 51493585]

約数ペア:

[(1, 51493585), (5, 10298717), (11, 4681235), (13, 3961045), (55, 936247), (65, 792209), (143, 360095), (715, 72019)]