201511816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{21401}}^1$

素因数の和:21525

約数の個数: 32

約数和(自身を含む): 416054880

約数和(自身を除く): 214543064

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 214, 428, 856, 1177, 2354, 4708, 9416, 21401, 42802, 85604, 171208, 235411, 470822, 941644, 1883288, 2289907, 4579814, 9159628, 18319256, 25188977, 50377954, 100755908, 201511816]

約数ペア:

[(1, 201511816), (2, 100755908), (4, 50377954), (8, 25188977), (11, 18319256), (22, 9159628), (44, 4579814), (88, 2289907), (107, 1883288), (214, 941644), (428, 470822), (856, 235411), (1177, 171208), (2354, 85604), (4708, 42802), (9416, 21401)]