65158405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1559}}^1$

素因数の和:2220

約数の個数: 16

約数和(自身を含む): 84389760

約数和(自身を除く): 19231355

約数列:

[1, 5, 13, 65, 643, 1559, 3215, 7795, 8359, 20267, 41795, 101335, 1002437, 5012185, 13031681, 65158405]

約数ペア:

[(1, 65158405), (5, 13031681), (13, 5012185), (65, 1002437), (643, 101335), (1559, 41795), (3215, 20267), (7795, 8359)]