219921772

素因数分解:

$2^2\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{4723}}^1$

素因数の和:6397

約数の個数: 24

約数和(自身を含む): 440201216

約数和(自身を除く): 220279444

約数列:

[1, 2, 4, 7, 14, 28, 1663, 3326, 4723, 6652, 9446, 11641, 18892, 23282, 33061, 46564, 66122, 132244, 7854349, 15708698, 31417396, 54980443, 109960886, 219921772]

約数ペア:

[(1, 219921772), (2, 109960886), (4, 54980443), (7, 31417396), (14, 15708698), (28, 7854349), (1663, 132244), (3326, 66122), (4723, 46564), (6652, 33061), (9446, 23282), (11641, 18892)]