1513988

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:539

約数の個数: 24

約数和(自身を含む): 3057600

約数和(自身を除く): 1543612

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 389, 556, 778, 973, 1556, 1946, 2723, 3892, 5446, 10892, 54071, 108142, 216284, 378497, 756994, 1513988]

約数ペア:

[(1, 1513988), (2, 756994), (4, 378497), (7, 216284), (14, 108142), (28, 54071), (139, 10892), (278, 5446), (389, 3892), (556, 2723), (778, 1946), (973, 1556)]