2778916

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1699

約数の個数: 24

約数和(自身を含む): 5652416

約数和(自身を除く): 2873500

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1627, 1708, 3254, 6508, 11389, 22778, 45556, 99247, 198494, 396988, 694729, 1389458, 2778916]

約数ペア:

[(1, 2778916), (2, 1389458), (4, 694729), (7, 396988), (14, 198494), (28, 99247), (61, 45556), (122, 22778), (244, 11389), (427, 6508), (854, 3254), (1627, 1708)]