201819605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{15761}}^1$

素因数の和:15976

約数の個数: 16

約数和(自身を含む): 262153584

約数和(自身を除く): 60333979

約数列:

[1, 5, 13, 65, 197, 985, 2561, 12805, 15761, 78805, 204893, 1024465, 3104917, 15524585, 40363921, 201819605]

約数ペア:

[(1, 201819605), (5, 40363921), (13, 15524585), (65, 3104917), (197, 1024465), (985, 204893), (2561, 78805), (12805, 15761)]