25181422

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{691}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 45838080

約数和(自身を除く): 20656658

約数列:

[1, 2, 7, 14, 19, 38, 133, 137, 266, 274, 691, 959, 1382, 1918, 2603, 4837, 5206, 9674, 13129, 18221, 26258, 36442, 91903, 94667, 183806, 189334, 662669, 1325338, 1798673, 3597346, 12590711, 25181422]

約数ペア:

[(1, 25181422), (2, 12590711), (7, 3597346), (14, 1798673), (19, 1325338), (38, 662669), (133, 189334), (137, 183806), (266, 94667), (274, 91903), (691, 36442), (959, 26258), (1382, 18221), (1918, 13129), (2603, 9674), (4837, 5206)]