428676

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:403

約数の個数: 24

約数和(自身を含む): 1011360

約数和(自身を除く): 582684

約数列:

[1, 2, 3, 4, 6, 12, 139, 257, 278, 417, 514, 556, 771, 834, 1028, 1542, 1668, 3084, 35723, 71446, 107169, 142892, 214338, 428676]

約数ペア:

[(1, 428676), (2, 214338), (3, 142892), (4, 107169), (6, 71446), (12, 35723), (139, 3084), (257, 1668), (278, 1542), (417, 1028), (514, 834), (556, 771)]