1280491074

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{511787}}^1$

素因数の和:511934

約数の個数: 24

約数和(自身を含む): 2794362480

約数和(自身を除く): 1513871406

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 511787, 1023574, 1535361, 3070722, 4606083, 9212166, 71138393, 142276786, 213415179, 426830358, 640245537, 1280491074]

約数ペア:

[(1, 1280491074), (2, 640245537), (3, 426830358), (6, 213415179), (9, 142276786), (18, 71138393), (139, 9212166), (278, 4606083), (417, 3070722), (834, 1535361), (1251, 1023574), (2502, 511787)]