2581628

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{673}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 5208672

約数和(自身を除く): 2627044

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 673, 959, 1346, 1918, 2692, 3836, 4711, 9422, 18844, 92201, 184402, 368804, 645407, 1290814, 2581628]

約数ペア:

[(1, 2581628), (2, 1290814), (4, 645407), (7, 368804), (14, 184402), (28, 92201), (137, 18844), (274, 9422), (548, 4711), (673, 3836), (959, 2692), (1346, 1918)]