205890227984

素因数分解:

$2^4\times 7^1\times {\mathrm{1838305607}}^1$

素因数の和:1838305622

約数の個数: 20

約数和(自身を含む): 455899790784

約数和(自身を除く): 250009562800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1838305607, 3676611214, 7353222428, 12868139249, 14706444856, 25736278498, 29412889712, 51472556996, 102945113992, 205890227984]

約数ペア:

[(1, 205890227984), (2, 102945113992), (4, 51472556996), (7, 29412889712), (8, 25736278498), (14, 14706444856), (16, 12868139249), (28, 7353222428), (56, 3676611214), (112, 1838305607)]