13398805

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3217}}^1$

素因数の和:3253

約数の個数: 24

約数和(自身を含む): 19810008

約数和(自身を除く): 6411203

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 3217, 4165, 16085, 22519, 54689, 112595, 157633, 273445, 382823, 788165, 1914115, 2679761, 13398805]

約数ペア:

[(1, 13398805), (5, 2679761), (7, 1914115), (17, 788165), (35, 382823), (49, 273445), (85, 157633), (119, 112595), (245, 54689), (595, 22519), (833, 16085), (3217, 4165)]