221569585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{13099}}^1$

素因数の和:13320

約数の個数: 16

約数和(自身を含む): 282960000

約数和(自身を除く): 61390415

約数列:

[1, 5, 17, 85, 199, 995, 3383, 13099, 16915, 65495, 222683, 1113415, 2606701, 13033505, 44313917, 221569585]

約数ペア:

[(1, 221569585), (5, 44313917), (17, 13033505), (85, 2606701), (199, 1113415), (995, 222683), (3383, 65495), (13099, 16915)]