1640295076

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{421453}}^1$

素因数の和:421603

約数の個数: 24

約数和(自身を含む): 3304199360

約数和(自身を除く): 1663904284

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 421453, 842906, 1685812, 2950171, 5900342, 11800684, 58581967, 117163934, 234327868, 410073769, 820147538, 1640295076]

約数ペア:

[(1, 1640295076), (2, 820147538), (4, 410073769), (7, 234327868), (14, 117163934), (28, 58581967), (139, 11800684), (278, 5900342), (556, 2950171), (973, 1685812), (1946, 842906), (3892, 421453)]