399521444

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{126271}}^1$

素因数の和:126395

約数の個数: 24

約数和(自身を含む): 806120448

約数和(自身を除く): 406599004

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 126271, 252542, 505084, 883897, 1767794, 3535588, 14268623, 28537246, 57074492, 99880361, 199760722, 399521444]

約数ペア:

[(1, 399521444), (2, 199760722), (4, 99880361), (7, 57074492), (14, 28537246), (28, 14268623), (113, 3535588), (226, 1767794), (452, 883897), (791, 505084), (1582, 252542), (3164, 126271)]