128241795

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 239500800

約数和(自身を除く): 111259005

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 131, 165, 187, 255, 349, 393, 561, 655, 935, 1047, 1441, 1745, 1965, 2227, 2805, 3839, 4323, 5235, 5933, 6681, 7205, 11135, 11517, 17799, 19195, 21615, 24497, 29665, 33405, 45719, 57585, 65263, 73491, 88995, 122485, 137157, 195789, 228595, 326315, 367455, 502909, 685785, 777223, 978945, 1508727, 2331669, 2514545, 3886115, 7543635, 8549453, 11658345, 25648359, 42747265, 128241795]

約数ペア:

[(1, 128241795), (3, 42747265), (5, 25648359), (11, 11658345), (15, 8549453), (17, 7543635), (33, 3886115), (51, 2514545), (55, 2331669), (85, 1508727), (131, 978945), (165, 777223), (187, 685785), (255, 502909), (349, 367455), (393, 326315), (561, 228595), (655, 195789), (935, 137157), (1047, 122485), (1441, 88995), (1745, 73491), (1965, 65263), (2227, 57585), (2805, 45719), (3839, 33405), (4323, 29665), (5235, 24497), (5933, 21615), (6681, 19195), (7205, 17799), (11135, 11517)]