206520190

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157649}}^1$

素因数の和:157787

約数の個数: 16

約数和(自身を含む): 374576400

約数和(自身を除く): 168056210

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 157649, 315298, 788245, 1576490, 20652019, 41304038, 103260095, 206520190]

約数ペア:

[(1, 206520190), (2, 103260095), (5, 41304038), (10, 20652019), (131, 1576490), (262, 788245), (655, 315298), (1310, 157649)]