128317085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 172095840

約数和(自身を除く): 43778755

約数列:

[1, 5, 13, 41, 65, 89, 205, 445, 533, 541, 1157, 2665, 2705, 3649, 5785, 7033, 18245, 22181, 35165, 47437, 48149, 110905, 237185, 240745, 288353, 625937, 1441765, 1974109, 3129685, 9870545, 25663417, 128317085]

約数ペア:

[(1, 128317085), (5, 25663417), (13, 9870545), (41, 3129685), (65, 1974109), (89, 1441765), (205, 625937), (445, 288353), (533, 240745), (541, 237185), (1157, 110905), (2665, 48149), (2705, 47437), (3649, 35165), (5785, 22181), (7033, 18245)]