219921268

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1361}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 457632000

約数和(自身を除く): 237710732

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 199, 203, 398, 406, 796, 812, 1361, 1393, 2722, 2786, 5444, 5572, 5771, 9527, 11542, 19054, 23084, 38108, 39469, 40397, 78938, 80794, 157876, 161588, 270839, 276283, 541678, 552566, 1083356, 1105132, 1895873, 3791746, 7583492, 7854331, 15708662, 31417324, 54980317, 109960634, 219921268]

約数ペア:

[(1, 219921268), (2, 109960634), (4, 54980317), (7, 31417324), (14, 15708662), (28, 7854331), (29, 7583492), (58, 3791746), (116, 1895873), (199, 1105132), (203, 1083356), (398, 552566), (406, 541678), (796, 276283), (812, 270839), (1361, 161588), (1393, 157876), (2722, 80794), (2786, 78938), (5444, 40397), (5572, 39469), (5771, 38108), (9527, 23084), (11542, 19054)]