1888890878

素因数分解:

$2^1\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{111229}}^1$

素因数の和:112451

約数の個数: 16

約数和(自身を含む): 3240797280

約数和(自身を除く): 1351906402

約数列:

[1, 2, 7, 14, 1213, 2426, 8491, 16982, 111229, 222458, 778603, 1557206, 134920777, 269841554, 944445439, 1888890878]

約数ペア:

[(1, 1888890878), (2, 944445439), (7, 269841554), (14, 134920777), (1213, 1557206), (2426, 778603), (8491, 222458), (16982, 111229)]