867916

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 1756160

約数和(自身を除く): 888244

約数列:

[1, 2, 4, 7, 14, 28, 139, 223, 278, 446, 556, 892, 973, 1561, 1946, 3122, 3892, 6244, 30997, 61994, 123988, 216979, 433958, 867916]

約数ペア:

[(1, 867916), (2, 433958), (4, 216979), (7, 123988), (14, 61994), (28, 30997), (139, 6244), (223, 3892), (278, 3122), (446, 1946), (556, 1561), (892, 973)]