213967585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{8209}}^1$

素因数の和:8628

約数の個数: 16

約数和(自身を含む): 277235280

約数和(自身を除く): 63267695

約数列:

[1, 5, 13, 65, 401, 2005, 5213, 8209, 26065, 41045, 106717, 533585, 3291809, 16459045, 42793517, 213967585]

約数ペア:

[(1, 213967585), (5, 42793517), (13, 16459045), (65, 3291809), (401, 533585), (2005, 106717), (5213, 41045), (8209, 26065)]