388917815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{4283}}^1$

素因数の和:4439

約数の個数: 32

約数和(自身を含む): 552738816

約数和(自身を除く): 163821001

約数列:

[1, 5, 11, 13, 55, 65, 127, 143, 635, 715, 1397, 1651, 4283, 6985, 8255, 18161, 21415, 47113, 55679, 90805, 235565, 278395, 543941, 612469, 2719705, 3062345, 5983351, 7071233, 29916755, 35356165, 77783563, 388917815]

約数ペア:

[(1, 388917815), (5, 77783563), (11, 35356165), (13, 29916755), (55, 7071233), (65, 5983351), (127, 3062345), (143, 2719705), (635, 612469), (715, 543941), (1397, 278395), (1651, 235565), (4283, 90805), (6985, 55679), (8255, 47113), (18161, 21415)]