209850901

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{1223}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 230719104

約数和(自身を除く): 20868203

約数列:

[1, 13, 67, 197, 871, 1223, 2561, 13199, 15899, 81941, 171587, 240931, 1065233, 3132103, 16142377, 209850901]

約数ペア:

[(1, 209850901), (13, 16142377), (67, 3132103), (197, 1065233), (871, 240931), (1223, 171587), (2561, 81941), (13199, 15899)]