11989705

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2027}}^1$

素因数の和:2065

約数の個数: 24

約数和(自身を含む): 17813952

約数和(自身を除く): 5824247

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 455, 845, 1183, 2027, 5915, 10135, 14189, 26351, 70945, 131755, 184457, 342563, 922285, 1712815, 2397941, 11989705]

約数ペア:

[(1, 11989705), (5, 2397941), (7, 1712815), (13, 922285), (35, 342563), (65, 184457), (91, 131755), (169, 70945), (455, 26351), (845, 14189), (1183, 10135), (2027, 5915)]